1. physics

    An object moves with constant acceleration 3.65 m/s2 and over a time interval reaches a final velocity of 10.4 m/s. (a) If its initial velocity is 5.2 m/s, what is its displacement during the time interval? m (b) What is the distance it travels during this

    asked by roger on August 30, 2012
  2. Physics

    In a 5.00km race, one runner runs at a steady 11.6km/h and another runs at 15.0km/h. How long does the faster runner have to wait at the finish line to see the slower runner cross?

    asked by Tommy on June 12, 2015
  3. Math

    Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B crosses the starting line and runs at an average rate of 6.4 miles per hour. If the length of the marathon is 26.2 miles, which

    asked by Michael on November 1, 2007
  4. Physics

    Two runners start simultaneously at oppposite ends of a 200.0 m track and run toward each other. Runner A runs at a steady 8.0 m/s and runner B runs at a constant 7.0 m/s. When and where will these runners meet? How do I start this problem

    asked by Sarah on June 3, 2009
  5. math

    Two runners are competing in a race. One runner averages a pace of 7 minutes per mile and finishes the race in 28 minutes. The second runner finishes the race in 30 minutes. Which of the following is the pace of the second runner

    asked by trey on May 28, 2013
  6. AP Calculus

    A particle is moving along a horizontal straight line. The graph of the position function (the distance to the right of a fixed point as a function of time) is shown below. Answer the following questions only on the interval (0,8). 1. When is the particle

    asked by Korinna on September 28, 2016
  7. Calculus AP Exam review explanation pls

    1) The average value of the function g(x) = 3^cos x on the closed interval [ − pi , 0 ] is: 2)The change in the momentum of an object (Δ p) is given by the force, F, acting on the object multiplied by the time interval that the force was acting: Δ p =

    asked by ReviewDay :( on March 4, 2017
  8. Math

    Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B crosses the starting line and runs at an average rate of 6.4 miles per hour. If the length of the marathon is 26.2 miles, which

    asked by nick on February 12, 2013
  9. Math

    What effect will an outlier have on a confidence interval that is based on a small sample size? A) The interval will be smaller than an interval without the outlier. B) The interval will be the same with or without the outlier. C) The confidence interval

    asked by Jennifer on November 28, 2009
  10. Health

    Which one of the following types of training involves 10 to 30 minutes of high-intensity exercise? A. Medium range B. Anaerobic C. Interval D. Long, steady distance i think its either b or a?

    asked by Anonymous on November 20, 2011
  11. Stastics

    Which of the following descriptions of confidence intervals is correct? (Select all that apply) a. If a 95% confidence interval contains 0, then the 99% confidence interval contains 0 b. If a 99% confidence interval contains 0, then the 95% confidence

    asked by Lindsay on April 25, 2016
  12. physics

    a cheetah can accelerate from rest to 24 m/s in 2.0 s . Assuming the acceleration is constant over the time interval, a)what is the magnitude of the acceleration of the cheetah? b) what is the distance traveled by the cheetah in these 2.0 s.? c) a runner

    asked by tatiana on September 21, 2010
  13. Physics

    A runner is jogging at a steady 8.4 km/hr. When the runner is 2.6 km from the finish line, a bird begins flying from the runner to the finish line at 42 km/hr (5 times as fast as the runner). When the bird reaches the finish line, it turns around and flies

    asked by KGarcia on January 16, 2012
  14. math

    A long-distance runner runs 3 miles south and then 7 miles east. How far is the runner from the starting point A) 8.616 mi B) 10 mi C) 7.616 mi D) 4.472 mi I think it is eaither A or C but not sure

    asked by badatmath on October 7, 2009
  15. Physical Science

    DISTANCE-TIME for RUNNERS Time(s) 1 2 3 4 Sally's Distance(m) 2 4 6 8 Alonzo's Distance(m) 1 2 2 4 Make a distance-time graph that shows the motion of both runners. What is the average speed of each runner? Which runner stops briefly? Over what time

    asked by Ashley on November 3, 2011
  16. Please check my Calculus

    1. Given f(x)=-6/x, choose the correct statement A. The graph of f is concave upward on the interval (negative infinity, 0) B. The graph of f is concave downward on the interval (negative infinity, 0) C. The graph of f is concave upward on the interval

    asked by Anonymous on January 12, 2015
  17. Calculus

    The function f is continuous on the closed interval [-5,5], and f(-2) = 6, f(1) = -3, and f(4) = 6. Which of the following statements must be true? A. The equation f(x) = 0 has at least two solutions on the closed interval [-5,5]. B. The equation f(x) = 0

    asked by Anonymous on April 24, 2017
  18. Physics

    Consider a circular track with a radius of 200 meters. A runner starts on the east side and runs around the track to a point diametrically opposite her starting point. -What is the magnitude of her displacement? 400m -She then runs the rest of the way

    asked by Terry on January 31, 2016
  19. Physics

    In a 5.00 km race, one runner runs at a steady 11.8 km/h and another runs at 14.7 km/h . How long does the faster runner have to wait at the finish line to see the slower runner cross?

    asked by Nancy on September 17, 2015
  20. calculus

    Let f(x)=1x^3+2.5x+3. In this problem you will estimate f'(-3) by computing the average rate of change of f(x)over a small interval. Round your answers to three decimal places. 1. First choose the interval of length .1 with -3 being the left endpoint of

    asked by anonymous on October 4, 2010
  21. Physics Help!!!!

    A runner in a relay race runs 20m north, turns around and runs south for 30 m, then turns north again and runs 40m. the entire run took 30 seconds. what was the average speed of the runner? what was the average velocity of the runner?

    asked by Kim on August 30, 2014
  22. physics

    In an 8.00 race, one runner runs at a steady 11.8 and another runs at 14.5 .How far from the finish line is the slower runner when the faster runner finishes the race?

    asked by smarth on September 21, 2011
  23. Calculus(urgent please help)

    Consider the following function f(x)=x^2/[x^2-9] f(x) is increasing on the interval(s) f(x) is decreasing on the interval(s) f(x) has 2 vertical asymptotes x= f(x) is concave up on the interval(s) f(x) concave down on the interval(s) I've been stuck on

    asked by Ryan kustin on April 10, 2015
  24. Calculus

    Consider the following function f(x)=x^2/[x^2-9] f(x) is increasing on the interval(s) f(x) is decreasing on the interval(s) f(x) has 2 vertical asymptotes x= f(x) is concave up on the interval(s) f(x) concave down on the interval(s) I've been stuck on

    asked by Ryan kustin on April 10, 2015
  25. physics

    This is the question to one of my physic problem. A person standing outside their house is passed by a runner heading West at a steady pace of 3.3 m/s. Right when the runner passes by, the person accelerates towards the south at a rate of 0.36 m/s2 for 1.2

    asked by Megan on August 30, 2012
  26. pre algebra

    Lilliana is training for a marathon. She runs the same distance every day for a week. On Monday, Wednesday, and Friday, she runs 3 laps on a running trail and then runs 6 more miles. On Tuesday and Sunday, she runs 5 laps on the trail and then runs 2 more

    asked by mark on October 19, 2017
  27. math: real numbers

    The statement below is false. Correct it by changing two symbols. "The interval (a,b) contains its infimum and its supremum." I'll give you a hint. The interval (a, b) is an open interval. What you need is a closed interval. Parentheses are used for open

    asked by sara on April 10, 2007
  28. stat

    7. A researcher selects a random sample. A 90% confidence interval for a population mean  A) is an interval with margin of error ± 90%. B) has the property that if we repeatedly selected our random sample in exactly the same way, each time constructing

    asked by Anonymous on December 5, 2010
  29. physics

    A 109 kg fullback runs at the line of scrimmage. (a) Find the constant force that must be exerted on him to bring him to rest in a distance of 1.1 m in a time interval of 0.22 s. (b) How fast was he running initially?

    asked by Anonymous on February 3, 2011
  30. Algebra 2: Prob and Stats

    A survey of 480 high school students found that 37% had a pet. Find the margin of error. Round to the nearest percent. Use the margin of error to find an interval that is likely to contain the true population proportion. * margin of error = +-5% interval,

    asked by Skye on May 24, 2010
  31. physics

    While doing some interval training, a runner runs a distance interval at a pace of 4.00 m/s. She then runs the next interval at 4.500 m/s and the last interval at 5.500 m/s. Assuming each interval is exactly 125. m, what is her average speed for this

    asked by tyler on August 21, 2012
  32. math/physics

    During a race, one runner runs at a 6 min/mi pace and another runner runs at a 7 min/mi pace. The fast runner passes the slow runner. After a 2 second delay, the slow runner initiates an acceleration, catching up with the fast runner in 968 feet. Give this

    asked by victoria on January 2, 2011
  33. math 12

    While training for a race, a runner increases her distance by 10% each day. If she runs 2km on the first day, what will her total distance for 26 days of training?

    asked by C on March 17, 2010
  34. Physics

    During a rElay race along a straight ROAD the 1st runner on a three person team runs D1 with a constant velocity v1. The runner then hands off the baton to the sEcond runner who runs d2 with a constant vElocity v2. The batton is then passed to the 3rd

    asked by Tim on February 11, 2015
  35. Physics

    At an instant, Runner 'A' runs at 6m/s with an acceleration of 2m/s^2. Runner 'B' runs at 5m/s with an acceleration of 4m/s^2, and the former (Runner A) is 2 metres ahead of the latter (runner B). How long does it take for Runner B to catch up with runner

    asked by Ajani on May 17, 2012
  36. math

    On the first day he runs 1.5 km. Every day he runs 10% more than the day befor. a) Write down the distance he runs on the second day of training. ..... 1,5km +0,15 = 1,65 km b) Calculate the total distance He runs in the first seven days of training. When

    asked by Lucas on February 22, 2014
  37. Physics

    In a 5.00 km race, one runner runs at a steady 11.3 km/h and another runs at 14.9 km/h . How long does the faster runner have to wait at the finish line to see the slower runner cross?

    asked by S on October 15, 2017
  38. Math

    Solve the problem. Round to the nearest tenth, if necessary. A long-distance runner runs 5 miles directly south and then faces due east and runs another 7 miles. How far is the runner, in a straight line, from his starting point?

    asked by Missy on September 15, 2010
  39. math

    11. Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B crosses the starting line and runs at an average rate of 6.4 miles per hour. If the length of the marathon is 26.2 miles,

    asked by Anonymous on April 7, 2010
  40. Calculus

    Let f(x)=1x^3+2.5x+3. In this problem you will estimate f'(-3) by computing the average rate of change of f(x)over a small interval. Round your answers to three decimal places. 1. First choose the interval of length .1 with -3 being the left endpoint of

    asked by kennedy on October 5, 2010
  41. algebra

    i forgot to post these! f(x)=9x+4 and listed in interval notation also: f(x) x2+14x+40 in interval notation and: 1/x^2+81 (interval notation) and: x+11/x^2-121 (interval notation) and: f(x+2) f(x)=6x^2-x+7 You have listed a lot of functions but have said

    asked by valerie on March 14, 2007
  42. Physics

    Runner A is running at a constant rate of 2.3 m/s when he passes runner B who is stationary. Runner A continues running at a constant pace, and Runner B begins to run 4 seconds after Runner A just passes him. If Runner B is accelerating at a rate of .5

    asked by Jared on November 14, 2012
  43. Statistics

    A packing company investigates a national training consultant in hopes of improving productivity on the packing line. The national consultant agrees to work with 18 employees, collecting productivity data for each employee before the training program and

    asked by Samantha on November 20, 2013
  44. Physics

    Runner A runs 7.5 meters per second and runner B runs 7.9 meters per second. Runner A has a 55 meter lead, how long will it take runner B to catch runner A?

    asked by Abe on September 30, 2015
  45. math

    When making a statistical inference about the mean of a normally distributed population based on a sample drawn from that population, which of the following statements is correct, all else being equal? The 68% confidence interval is wider than the 90%

    asked by zahra on June 4, 2019
  46. physics

    Runner A is running at a constant rate of 2.3 m/s when he passes RUmmer B who is stationary. Runner A continues running at a constant pace, and Runner B begins to run 4 seconds after Runner A just passes him. If Runner B is accelerating at a rate of .5

    asked by Matt on November 14, 2012
  47. College Physics

    An object moves with constant acceleration 4.95 m/s2 and over a time interval reaches a final velocity of 13.2 m/s. (a) If its initial velocity is 6.6 m/s, what is its displacement during the time interval? (b) What is the distance it travels during this

    asked by Andre' on September 10, 2012
  48. math

    Exercise: A simple CI 1/2 points (graded) Let θ be an unknown parameter, and let X be uniform on the interval [θ−0.5,θ+0.5] . Is [X−2,X+2] an 80% confidence interval? YES correct I form a confidence interval of the form [X−a,X+a] . What is the

    asked by Skyfall on April 30, 2020
  49. Physics

    I am given a velocity versus time graph for a runner. For it, I had to figure out the average velocity for the entire 16 s interval (for this, I got 2 m/s). Now they want me to find the displacement of the runner in the first 15.4 s. I know that it must be

    asked by Lindsay on October 16, 2007
  50. physics

    A distance runner moves at a constant pace of 4.1m/s. how far (in m) does he move in 30 minutes?

    asked by Martha on August 9, 2011
  51. Maths

    A runner runs a 10 metre race, the runner runs according to the following rule: s = 0.2t(t - 5.1)(t - 9.1) Where displacement (s) is in metres and time (t) is in minutes. Calculate for the runner: their starting position any changes in direction over the

    asked by Olivia on September 30, 2015
  52. Maths

    Three runners run a 10 metre race. Each runner runs according to the following rules: Runner 1: s = 2.4 + 0.75t Runner 2: s = 0.2t(t - 5.1) Runner 3: s = 0.2t(t - 5.1)(t - 9.1) Where displacement (s) is in metres and time (t) is in minutes. Calculate for

    asked by Olivia on September 29, 2015
  53. physics

    This is the question to one of my physic problem. A person standing outside their house is passed by a runner heading West at a steady pace of 3.3 m/s. Right when the runner passes by, the person accelerates towards the south at a rate of 0.36 m/s2 for 1.2

    asked by Megan on August 30, 2012
  54. math

    A long-distance runner runs 2 miles south and then 4 miles east. How far is the runner from the starting point? Round to nearest tenth.

    asked by Leo on February 18, 2012
  55. geometry

    A long-distance runner runs 5 miles south and then 8 miles east. How far is the runner from the starting point? Round your answer to thousandths

    asked by Anonymous on November 25, 2010
  56. math

    Two runners are competing in a race. One runner averages a pace of 7 minutes per mile and finishes the race in 28 minutes. The second runner finishes the race in 30 minutes. Which of the following is the pace of the second runner?

    asked by lifesaver2 on June 5, 2013
  57. Statistics

    Which of the following statements best describes the uncertainty associated with a 95% confidence interval for a population proportion, computed from a simple random sample? A. We don't know whether the particular confidence interval is successful or not,

    asked by Mary on May 18, 2012
  58. math

    Solve the problem. Give your answer to the nearest thousandth if necessary. A long-distance runner runs 3 miles south and then 7 miles east. How far is the runner from the starting point?

    asked by katelynn on November 20, 2009
  59. Physics

    Two runners have a race. The first runner decides to run with his full speed v₁=9 m/s over the 250 meters of the race and then slows to v₂=7 m/s for the rest, since he's tired. The second runner wants to save energy, so he runs with v₃=8 m/s for the

    asked by Arnau on April 30, 2013
  60. Calculus

    Find: (a) the interval(s) on which f is increasing, (b) the interval(s) on which f is decreasing, (c) the open interval(s) on which f is concave up, (d) the open interval(s) on which f is concave down, and (e) the X-coordinate(s) of any/all inflection

    asked by Please Help on November 29, 2010
  61. Calculus

    Find: (a) the interval(s) on which f is increasing, (b) the interval(s) on which f is decreasing, (c) the open interval(s) on which f is concave up, (d) the open interval(s) on which f is concave down, and (e) the X-coordinate(s) of any/all inflection

    asked by Dan on November 29, 2010
  62. Statistics

    Can anyone help me with this? Which of the following statements is true about a 99% confidence interval? a. The interval contains 99% of the population. b. The probability that the population mean is in the interval is 99%. c. The interval is wider than a

    asked by Angel on October 7, 2016
  63. Jess

    Let f(x)=3x^3 +7.5x +1. In this problem you will estimate f'(3) by computing the average rate of change of f(x)over a small interval. Round your answers to three decimal places. First choose the interval of length .1 with 3 being the left endpoint of the

    asked by Calculus on February 10, 2013
  64. Biology/Pathphysiology

    Predict what would happen to the P-R interval and Q-T interval and T-P interval on a ECG when a subjects exercises workout increases?

    asked by Darkninja276 on August 13, 2012
  65. Physics

    A runner’s velocity along a straight track is 3.2 m/s at time 5.0 s and 2.2 m/s at time 13 s. Find the runner’s average acceleration during this time interval.

    asked by Maria on October 20, 2010
  66. physics

    A runner’s velocity along a straight track is 3.2 m/s at time 8.0 s and 2.2 m/s at time 11 s. Find the runner’s average acceleration during this time interval.

    asked by Michelle on September 23, 2011
  67. Statistics

    In 1998 a San Diego Reproductive clinic reported 49 live births to 207 women under the age of 40 who had previously been unable to get pregnant. Using the 90% confidence interval calculated above, would it be misleading for the clinic to report a success

    asked by Jeffrey on October 27, 2013
  68. science

    the change in velocity takes place in 10 sec interval. What is the magnitude, the algebraic sign and the direction of the average acceleration in each interval? At the beginning of the interval a body is moving to the right along the x-axis at 5 ft/sec,

    asked by rhine on February 17, 2015
  69. Probability

    A simple CI Let θ be an unknown parameter, and let X be uniform on the interval [θ−0.5,θ+0.5]. Is [X−2,X+2] an 80% confidence interval? unanswered I form a confidence interval of the form [X−a,X+a]. What is the narrowest confidence interval of

    asked by SK on April 29, 2020
  70. College Algebra

    If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false

    asked by Brianna on September 18, 2011
  71. college algebra

    If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false

    asked by Brianna on September 18, 2011
  72. calculus

    Find the values of c that satisfy the Mean Value Theorem for f(x)=6/x-3 on the interval [-1,2]. Is it no value of c in that interval because the function is not continuous on that interval???

    asked by Theresa on December 19, 2008
  73. calculus

    Find the values of c that satisfy the Mean Value Theorem for f(x)=6/x-3 on the interval [-1,2]. Is it no value of c in that interval because the function is not continuous on that interval???

    asked by Theresa on December 18, 2008
  74. help

    Sara runs several times a week and always keeps track of how much time she runs each time she goes out. One day she forgets to take her stopwatch with her and wonders if she can still have some idea of her running time. As she passes a particular pond, she

    asked by Anonymous on March 24, 2014
  75. Physics

    A cheetah can accelerate from rest to 24.1 m/s in 2.02 s. a) Assuming the acceleration is constant over the time interval, what is the magnitude of the acceleration of the cheetah? b) What is the distance traveled by the cheetah in these 2.02 s? c) A

    asked by jenny on December 5, 2013
  76. Calculus

    Find the critical point and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to the critical point. Let f(x)=4/x^2+1 Critical Point = Is f a maximum or minumum at the critical point? The interval on

    asked by Ashton on November 14, 2018
  77. Math

    1. "A bacteria population doubles in number every 3 hours. If there are 40 individuals now, how many in 24 hours?" SO I used the geometric series sum formula, with n=8(24/3=8), t1=40, and r=2, but I got 10200 as the answer, instead of what the answer key

    asked by Bethany on January 24, 2015
  78. statistics

    A single sample is being used to construct a 90% confidence interval for the population mean. What would be the difference between an interval for a sample of n = 25 and the interval for a sample of n = 100? Assume that all other factors are held constant.

    asked by Anonymous on November 4, 2011
  79. physics

    a rock is dropped from the top of diving platform into the swimming pool below. will the distance traveled by the rock in a 0.1 second interval near the top of the flights be the same as the distance covered in a 1.1 second interval just before it hits the

    asked by jb on February 24, 2011
  80. Calculus

    y=x^3-3x. Fill out the following table and then make a rough sketch of the graph. I can make the sketch just having trouble understanding what is wanted. y=0 when y'=0 when Relative Max(s) Relative Min(s) y'>0 on the interval(s) y'

    asked by Kieran on October 2, 2012
  81. Statistics

    For the data set (−2,−3)(1,3)(5,4)(9,7)(11,12) find interval estimates (at a 94.6% level) for a single observation and for the mean response of y corresponding to x=1. Note: For each part below, your answer should use interval notation. Prediction

    asked by STATISTICS on April 19, 2015
  82. math

    Suppose that there are two functions, f and g. The domain of f is the interval [-2,10] and the range of f is the interval (-15,2]. The domain of g is the interval (-5,7) and the range of g is the interval [-2,3). Determine all information that you can

    asked by G on March 24, 2015
  83. math

    Suppose that there are two functions, f and g. The domain of f is the interval [-2,10] and the range of f is the interval (-15,2]. The domain of g is the interval (-5,7) and the range of g is the interval [-2,3). Determine all information that you can

    asked by G on March 24, 2015
  84. math

    Suppose that there are two functions, f and g. The domain of f is the interval [-2,10] and the range of f is the interval (-15,2]. The domain of g is the interval (-5,7) and the range of g is the interval [-2,3). Determine all information that you can

    asked by G on March 24, 2015
  85. Physics

    A runner runs around a circular track with a radius of 50m.if he runs half way round the track from a to b.am i correct if i say his distance is 100m?

    asked by Pamela on August 17, 2011
  86. Math Help Please

    Please show me how to put this in interval notation. Thanks! I know I solved this right, I think, but need to put it in interval notatioin. Please tell me if i am correct. Thanks! PleaseSolve: (x-3)/(x^2-25)

    asked by Michelle on August 2, 2009
  87. Physics

    You are keeping pace with another runner, at 4 minutes per mile, but are 16 m behind her when she is 130m from the finish line.At what pace will you be running at the finish? *Express your answer using two significant figures.

    asked by Whitney on January 30, 2012
  88. Math

    The average middle-distance runner at a local high school runs the mile in 4.5 minutes, with astandard deviation of 0.3 minute. What is the probability that a runner will run the mile in less than 4 minutes? Possible Answers: A)7%B)3%C)5%D)4% I know it's

    asked by Bailey on April 25, 2018
  89. College Physics

    As part of a training program, an athlete runs while holding 8.00 weights in each hand. As he runs, the weights swing through a 30.0 arc in . His hands are 72 from his shoulder joint, and they are light enough that we can neglect their weight compared with

    asked by Matt on October 10, 2010
  90. statistics

    Refer to Table 1 in the article “Snail Shells in a Practical Application of Statistical Procedures” in the Electronic Reserve Readings. Find the margin of error, E, with a confidence interval of your choosing (50-99%). What is the significance of

    asked by len on April 26, 2012
  91. Calculus I

    You are watching the Chicago marathon from your friend's apartment, 100 feet above the street. A runner passes the building at 11 feet/sec. Let d denote the distance between the base of the building and the runner, and let h denote the distance between you

    asked by Chris on October 9, 2016
  92. math

    v\left(t\right)=5-tv(t)=5−t represents the velocity of an object over the interval [0, 7] in meters per second. What is the total distance traveled of the object over the time interval?

    asked by caledh on February 13, 2017
  93. Algebra

    Im having a hard time figuring out this problem: Use the function, y=-(x+1)^2 +2, to answer the following parts. The increasing interval and decreasing interval To find both I believe that: increasing : x < -1 decreasing : x > 1 So is this on solution

    asked by Mike on May 5, 2011
  94. general physics

    We can interpret a distance traveled of 7.43 to mean a distance between 7.425 and 7.435 , thus rounding to 7.43 . Similarly, a time interval of 0.83 implies a time interval between 0.825 and 0.835 . Use these values to justify the rule for determining

    asked by shaxity on February 11, 2010
  95. math

    (x^3+7x+12)/(x-4) find: x intercepts vertical asymptotes horizontal/slant asymptotes derivative second derivative increasing interval decreasing interval concave up interval concave down interval

    asked by Melanie on January 22, 2012
  96. math

    f(x)=x/(x^2+x-2) find: x intercepts vertical asymptotes horizontal/slant asymptotes derivative second derivative increasing interval decreasing interval concave up interval concave down interval

    asked by Melanie on January 22, 2012
  97. math

    f(x)=x^3+6x^2+9x find: x intercepts vertical asymptotes horizontal/slant asymptotes derivative second derivative increasing interval decreasing interval concave up interval concave down interval

    asked by Melanie on January 22, 2012
  98. Math

    The average middle-distance runner at a local high school runs the mile in 4.5 minutes, with astandard deviation of 0.3 minute. What is the probability that a runner will run the mile in less than 4 minutes? Possible Answers: A)7%B)3%C)5%D)4% How do I plug

    asked by Bailey on April 26, 2018
  99. math

    one runner runs 4.75 miles in one hour and runner 2 runs 4 miles in one hour. How much farther would runner 1 run in 45 minutes?

    asked by LAK on August 19, 2012
  100. Math (Calc.)

    1.Use the IVT to explain why the following is true. If f continuous on (a,b) and f(x) does not equal to zero for all x in the interval (a,b), then f(x) > for all x in the interval (a,b) or f(x) < 0 for all x in the interval (a,b). 2. You are given that a

    asked by Dalia on September 17, 2013