How to sketch graph of

9,907 results, page 67

1. Math

Suppose that the hourly wage in a job is P 30. Let x represent the number of hours worked, and let f(x) represent the total amount earned. Write the function that shows the relationship.Graph the function.
2. Maths

An ant is crawling along the x-axis such that the graph of its position on the x-axis versus time is a semi-circle. The total distance covered in the 4 sec is 1. 4 m 2. 2 m 3. 2 pie m 4. 4 pie m
3. math

solve the polynomial inequality and graph the solution set on a real number line. express the solution set in interval notation x^3+x^2+64x+64>0 show work please
4. math

y = -1/6 x + 5 identify the slope and the y-intercept of the equation.? how you would graph this line using the slope-intercept method. ? my teacher is saying im still getting the wrong answer:( please help
5. Algebra 2

Graph the linear system and estimate the solution. Then check the solution algebraically. 7x+y=-17 3x-10y=24 I have to have 4 labeled points and I'm not getting the fraction thing. Any help would be great!
6. math

Let y=3(x-4)^2 -3 a) Show that y=3x^2 -24x +45 b) For the graph of y find both x intercepts by solving the equation 3x^2 -24x +45 =0 A) direction of opening B) x intercepts C) y intercept D) Axis of Symmetry E) Vertex F) max or min
7. Math

•The x-intercepts of the graph of y=f(x) •The real zeros of the function f •The real solutions to the equation f(x)=0 Use the equation f(x)=4x−28 to verify that all three do produce answers that are numerically the same.
8. Math

Find the vertex of the parabola y = f(x)= x^2 + 8 x - 11 x coordinate = y coordinate = Graph this function and estimate the x intercepts to the nearest tenth. Give your answers in order. x intercept one = x intercept two =
9. Trigonometry

Use a sine function to graph a sound wave with a period of 0.004 of a second and an amplitude of 3 cm. Find the frequency in hertz for this sound wave. (Enter only the number.)
10. AP CALC

A rectangle ABOD is inscribed into the region bounded by the x-axis, the y-axis and the graph y= cos2x. what is the greatest perimeter that such a rectangle can have? Please HELP. I greatly appreciate your help.
11. math

This year, Rosa harvested 60 cucumbers, 25 tomatoes, and 15 peppers from her garden. In a circle graph of this data, what angle measure (in degrees) should Rosa use for the peppers section?
12. Calc1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = sec^2 x, 0 ≤ x ≤ π/4
13. Calc 1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = 6 sin x, 0 ≤ x ≤ π
14. Calc 1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = 5th root(x), 0 ≤ x ≤ 32
15. Calculus

What is the average value of f(x) on [0,4] if the area between the graph of f (x) and the x-axis is equal to 12? I used the average value formula and got 12. But the answer key says 3. My work: M= 1/4 [12x] interval: [0,4] 48/4=12
16. Calculus 1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = cube root(x) , 0 ≤ x ≤ 27
17. CHEMISTRY URGENT HELP

How to draw line graph for showing changes in test tubes while showing that exhaled air contains more carbon dioxide than inhaled air
18. calculas

consider the following. Function y = cos 3x point (pi/4, -square root of 2/2) (a) Find an equation of the tangent line to the graph of f at the given point. (Let x be the independent variable and y be the dependent variable.)
19. math

a union charges each employee a one time \$100 initiation fee plus \$25 union dues each month. my equation for the function is y=\$25 x + \$100. how do I graph this over a 12 months.
20. Algebra

I have a question if someone could help, please explain it. Given b = -1 and h = -1, what is the equation of the graph if the parent function is y = sqrt (x) Answers: a.y = sqrt(x-1) b.y = sqrt (-x+1) c.y = - sqrt (-x-1) d.y = sqrt(-x-1) I think it is "b"
21. find the point

At what point of the graph of x^2 / 2 is the tangent line parallel to the line 2x-4y = 3 TIA
22. Math

I have to draw the graph of y=2^x over the interval -1¡Üx¡Ü3. I don't know what they mean by over the interval..
23. Calculus

Suppose that f(x) = (5x + -2)^(1/2) Find an equation for the tangent line to the graph of f(x) at x=1. Tangent line: y=?
24. Math

Explain how do you find the period of Y = cos(6x) from your graph. what is the period of Y= cos(6x) in radians?
25. Calculus

Find k such that the line is tangent to the graph of the function. Function: f(x)=kã(x) Line: y=x+4
26. Physics

How do you find the acceleration of an object on a velocity-time graph if the acceleration of the object is at t = 5 s in m/s2?
27. Physics

How do you find the acceleration of an object on a velocity-time graph if the acceleration of the object is at t = 5 s in m/s2?
28. Physics

How do you find the acceleration of an object on a velocity-time graph if the acceleration of the object is at t = 2 s in m/s2?
29. Math

How many horizontal tangents does the graph of f(x)=(x-1)^2(x-3)^2 have? f(x)=(x-1)^2(x-3)^2 =2(x-1)(1)+2(x-3)(1) =2x-2+2x-6 f'(x)=4x-8 0=4x-8 =4(x-2) x=2 Therefore it only has 1 horizontal tangents?
30. Math

The graph of r = 7/ (3 cos(theta) + 2 sin(theta)) is a line. What is the slope of the line? How do you do this!!!
31. calculus

Q.NO.4: Find the arc length of the graph of r(t). r(t)=(t^2)i +(cost + t sint)j +(sint- t cost)k , 0≤t≤π
32. algebra

Mike's family wants to build a rectangular fenced backyard area for their dog. They have a 20-meter length of wire fence and four posts. They can also use the 20-meter straight length of the back of their house as a side of the enclosure, but the fence cannot attach directly ...
33. math

Allyson and Adrian have decided to connect their ankles with a bungee cord; one end is tied to each person's ankle. The cord is 30 feet long, but can stretch up to 90 feet. They both start from the same location. Allyson moves 10 ft/sec and Adrian moves 8 ft/sec in the ...
34. Calculus

Posted by CMM on Wednesday, October 13, 2010 at 12:50am. Calculate the following: a) Find g(f(1)) b) Find lim x-> 1+ g(f(x)) c) Find f(g(0)) d) Find lim x->0- f(g(x)) f(x)= 1-x, x<1 1, x=1 x-1, x>1 g(x)= -x, x<0 2, x=0 x+2, x>0 This is where it gets hard. I ...
35. physics!!! Damon?

The graph at the right is a positive vs. Time graph for the motion of an object moving along a horizontal (x) axis For each of the 8 1-second time intervals, describe the displacement, instantaneous velocity (+/- and whether the velocity is increasing or decreasing) and the ...
36. physics

A water (H2O) molecule consists of two hydrogen atoms and one oxygen atom. The oxygen atom is located at the origin. One hydrogen atom is between the positive x-axis and positive y-axis and the other hydrogen atom is between the negative x-axis and the positive y-axis. Each ...
37. calculus

Find dy/dx for x2 + y2 = 2xy. 2. If 5x2 + y4 = -9 then evaluate d^2y/dx^2 when x = 2 and y = 1. Round your answer to two decimal places. Use the hyphen symbol, -, for negative values. 3. find dy/dx if f(x)=(x+1)^2x 4. Find the slope of the graph of the relation x2y + 4y = 8 at...
38. Physics

What is the velocity of the simple harmonic motion problem? Position of the graph is y= .4*cos(2pi*1/3*x)+1.2 I need to find the velocity as well as the acceleration. I have worked through it and keep getting that the velocity is 0. I don't believe that is correct.
39. Physics

What is the velocity of the simple harmonic motion problem? Position of the graph is y= .4*cos(2pi*1/3*x)+1.2 I need to find the velocity as well as the acceleration. I have worked through it and keep getting that the velocity is 0. I don't believe that is correct.
40. math

After a dog or cat is given a preventive flea medicine, the medicine begins to break down in the animal’s bloodstream. With each passing hour, there is less active medicine in the blood. a. Complete the table and then draw a graph to show the amount of active medicine in a ...
41. math

I have to put these estimates on a circle graph. These are estimated deaths in canada in 1996. Do I add them all up first then divide them by the answer? murders 510 alchcol 1900 car accidents 2900 suicides-3900 Tobacco 45,000
42. mATH

x^4+x x^4-x^2 x^4 my.hrw/math06_07/nsmedia/tools/Graph_Calculator/graphCalc I graphed all three, however I can't say what the key features of the graphs of these functions?? how do u compare these types of graph ANSWER: can you add them like would x^4+x be the same as 2x^5 ...
43. Math

x^4+x x^4-x^2 x^4 my.hrw/math06_07/nsmedia/tools/Graph_Calculator/graphCalc I graphed all three, however I can't say what the key features of the graphs of these functions?? how do u compare these types of graph ANSWER: can you add them like would x^4+x be the same as 2x^5 ...
44. algebra

Mrs Walsh is seeking legal advice. A friend of hers recommended two law firms- Legal Eagles, which charges a consulation fee of \$100 plus \$40 per hour and A-1 Attorneys, which charges a consulation of \$60 per hour. Write an equation for the cost (c) of legal Eagles in terms of...
45. Calculus

Find the equation of the tangent line and the normal line to the graph of the equation at the indicated point. x^2-y^2=16, (5,3) I need to show work, so answers formatted in this manner would be most appreciated. Thanks! :) :)

1)Determine the equation of the polynomial function of degree 3, with zeros -2, -1, and 4. The graph of this function passes through (5, -84). I have no idea how to do this one. 2) When 4x^4 - a5x^2 + px + 6 is divided by 2x+1, the remainder is 2. Determine the value of p.
47. pre cal

Given f(x)=x^4-7x^3+18x^2-22x+12 A: list all possible rational zeros B: Graph f(x) C: Find all zeros D: show f(x) in factured form thanks I can't figure it out. Can skip B... thanks
48. Algebra 1

i need help with how to describe what the graph of interval [-4,10] looks like. I have read and read over all the information in my book but I can't find anything close to it. I would appreciate it if anyone could help me at all. thanks
49. math

could someone please check these problems for me? Thank you! 1. -0.7x<-35 x<50 2. Solve by elimination 3x+4y=3 6x+8y=6 answer:0 3. find y intercept to graph x+5y=10 answer: (0,2)(10,0) 4. use distributive law to solve 7(w-5)=-35 7w-35=-35 if i add 35 to both sides i get ...
50. math

could someone please check these problems for me? Thank you! 1. -0.7x<-35 x<50 2. Solve by elimination 3x+4y=3 6x+8y=6 answer:0 3. find y intercept to graph x+5y=10 answer: (0,2)(10,0) 4. use distributive law to solve 7(w-5)=-35 7w-35=-35 if i add 35 to both sides i get ...
51. algebra

Graphthe equation y plus 6 equals 1/8(x-2 1/8x - 2/8 add 2/8 to 6, so 61 times 8/8 makes it 48/8 plus 2/8 is 50/8 mx plus c would be 1/8 plus 50/8. Is this correct so afr? If so how do I graph 50/8? Do I just put at 50 on the y axis and do 1/8 rise over run?
52. Physics

The general relationship of oscillation T of a mass m suspended on a spring is T=2(pie)square root of m/k, where k is the spring constant. how would i change this equation into a straight line equation to graph?
53. Math

Could someone please help me with this. I am confused. Math is a weak point for me. Solve the system of equations by graphing. Then classify the system. 9x-6y=30, 6x-9y= -30. The solution is? Consistent or inconsistent, dependent or independent? How would I graph this? Thanks.
54. Pre-Cal (polynomials)

Look at the right end behavior of each function )\(as x -> infinitey). what about the function determines whether its graph wil point up or down on the right-hand side?
55. pre-calculas

Find the function that is finally graphed after following transformations are applied to the graph of y=ãx in the order list 1. shift down 8 units 2. reflect the x-axis 3. reflect the y-axis
56. Pre-Calculus

Radical Functions Graph y=(x-3)(x+2) and y=√(x-3)(x+2). where are the x-intercepts of each function ?why? for the first one, i know that whatever is inside the brackets is opposite, so the x intercepts would be at 3, and -2. but the whole radical thing is it the same ...
57. math

Phil invested \$150 at an annual rate of 4% compounded continuously, what amout to the nearest cent will be in his account after 2 years? Graph the amount in his account over the first 8 years.
58. pre-calc

on a graph there are 3 points, (-3,0) (0,2) (1,0) now, by using transformations, y= f(x)+1 is the answer: (-3,1) (0,3) (1,1) ?? and also y= -f(x-2) (using original points) is it (-3,2) (0,0) (1,2) or is it (-3,-2) (0,-4) (1,-2) ?? im not sure in what order you have to reflect ...
59. dma040

Police officer to Speedzilla he was speeding at or above 120 miles per hour. Write an inequality to express Speedzilla speed, then show in graph, write in set notation.
60. Math

If you are describing a graph that consists of a parabola and a line that intersect at two points, would the system be dependent and consistent. Or is dependent only used if the system has an infinite amount of solutions? Thanks!
61. Pre-Calculus

The graph of f(x)= (x^2 - 11x + 18)/(x-9) consists of a line and a hole. Find the equation of the line and the coordinates of the hole. I really have no idea how to do this. I tried factoring it and ended up with (x-2), but I don't know how that helps me. please help
62. Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x and y = x^4
63. Calculus 1

On the graph of f(x) = 8*sin(3pi*x), points P and Q are at consecutive lowest and highest points with P occurring before Q. Find the slope of the line which passes through P and Q. Slope = ? I have tried 48/pi and it didn't work
64. Precalculus

* I know how to graph this but I don't know how to punch the equation in correctly. I am not sure about the window either.. How can I type this equation in the graphing calculator? y=pi(25-x)^2 • 2x Note, the 2x is NOT multiplied by 2.. Show how I can type this in .. ...
65. science

if the trend in the graph continues through the summer, what would you expect the average high temperature in Louisville, Kentucky, to be in august? A. 66 degrees F B. 83 degrees F C. 103 degrees F D. 125 degrees F please help!
66. Calculus

1. On what interval is the function f(x)=x^3-4x^2+5x concave upward? 2. For what values of x dies the graph of f(x)=2x^3-3x^2-6x+87 have a horizontal tangent? Is there no solution because the equation can't be factored? 3. At what point on the curve y=1+2e^x - 3x is the ...
67. Calculus

Let f(x) be a polynomial function such that f(4)=-1, f’(4)=2 and f”(4)=0. If x<4, then f”(x)<0 and if x>4, then f”(x)>0. The point (-4, -1) is which of the following for the graph of f? A. relative maximum B. relative minimum C. critical value D. inflection...
68. Math

The function f(x)=x^2. The graph of g(x) is f(x) translated to the right 3 units and down 3 units. What is the function rule for g(x)? I honestly have no idea how to this… An example or helping me get through the problem would be great :) Thank you so much :)
69. math

Use the circle graph shown below to answer the question 42% =football 25% =soccer 33% =baseball If 210 people said football was their favorite sport to watch how many people were surveyed?
70. Chem

A 175-g sample of water is saturated with KNO3 at 40ºC. What mass of KNO3 forms a precipitate if the solution is cooled to the freezing point of water? (Refer to the Solubility and Temperature graph.)
71. Math Calc

Given f'(x)=(x-4)(6-2x) find the x-coordinate for the relative minimum of the graph f(x). OPTIONS: 8 6 3 None of these I think it is 3, but I am also conflicted to say none of these because I graphed the function and ant see a minimum.
72. Math

Jean is making bar graph for a presentation .She is planning for the length and width of the bars to have a ratio of 3:2, so that they satisfy this equation 2/=w If one bar is 7 centimeters wide, what should be its length? (21 cm) 14 cm 10 1/2 cm 4 2/3 cm
73. Math

This is going to seem like a silly question, but I have to round points that fall on a graph to the nearest 1.25. Some of the points are 4.75, 4.5, 4.25, etc. - what would these round to? I just want to make sure I'm doing this right!
74. math

On the set of axes below, graph the function represented by y=cubed root of x-2 for the domain -6< or equal to x< or equal to 10. x column I did -6, 1, 2 , 3 ,10 y column I did -2, -1, 0, 1, 2 Then I plotted these points. Is this correct? Thanks for checking over my work.
75. Math

The temperatures at 10pm were 58f outside and 67f inside. At 4am they were 48f outside and 62f inside. Draw a graph of these data points and calculate slope of the line connecting them.
76. physics

Procedure 1: Forming Real Images with a Converging Lens a) Obtain the focal length f of the small converging lens by focusing the image of a distant light bulb on the cardboard screen. Mount the lens and the screen on the meter stick. Position the screen at a convenient ...
77. Math

I do not understand how to figure out my problem below and can not find an example in my book. Can someone give me a suggestion on how I can arrive at my answer. Problem: Write a system of inequalities whose solution set is the region shown. graph
78. statistics

What visualization tool would be best suited for displaying the top ten money-grossing corporations of the world? circle graph relative-frequency histogram histogram pareto chart stem-and-leaf display
79. COM/220

I need a little help..I am writing a research paper on cyberbullying. I need to find a website that has statistics over the last few years on the increase of this and an idea for a chart or graph of some sort to list it on. Anyone have any ideas?
80. Trig

Find the value of the six trigonometric functions. t = 7(pi)/4 Can you show me step by step so I can see how this is solved? Also, do I need to graph this first in order to understand or begin the problem? I am trying to self teach - but having problems.
81. Math Models

What type of graph is best suited for displaying the range and frequency distribution of the number of hours the students in a class spend on homework while still showing each individual amount of time spent on homework?
82. Physics

Five moles of an ideal gas are compressed isothermally from A to B, as the graph illustrates. What is the work involved if the temperature of the gas is 351 K? Be sure to include the correct algebraic sign. I did 8.31x351x5 but the answer is wrong... any help is much appreciated!
83. ALGEBRA1

to join the school swimming team, swimmers must be able to swim at least 500 yars without stopping. write an inequality describing which values of n will result in a swimmer making the team. graph the solution
84. Biology

If the line for 60 captured is extended downward to zero percent error, what fraction of the total population would this represent? (Compare the actual number in the can to the extrapolated number on your graph.) What more information do I need to provide to get an answer?
85. Calc

Im not getting these answers at all, please help. Find a formula for the fourth degree polynomial p(x) whose graph is symmetric about the y-axis (meaning it has no odd powers of x), and which has a y-intercept of 0, and global maxima at (4,512) and (−4,512).
86. Math

The symbols that stand for amounts are called? numbers, digits, numerals or shapes? A diagram with mammals at the top, then monkeys, dogs, cows, elephants, and cats is a (an) graph hierarchical classification flow chart divergence classification
87. Math - Calc/Algebra/Trig

I'm trying to find all the points on the graph y=4/3cos^3x-cosx where the tangent line is horizontal. I took the derivative, which gave me: -4cos^2(x)sin(x)+sin(x) Now I need to solve it for x and I'm not sure how. Can you help?
88. math

You are given the four points in the plane A=(−1,−8), B=(4,5),C=(8,−2), and D=(12,2). The graph of the function f(x)f(x) consists of the three line segments AB, BC and CD. Find the integral ∫12−1f(x)dx by interpreting the integral in terms of sums and/or differences ...
89. Calculus

Find the equation of the tangent to the graph of f(x)=2x^4 (to the power of 4) that has slope 1. Derivative is 8 x^3. This equals 1 at x = 1/2. At this point the y-coordinate is f(1/2) = 1/8. The equation of the tangent line is thus: 1/8 + 1*(x-1/2) = x - 3/8 Thank you for ...
90. Math

Graph each question by plotting ordered pairs x=2 it's hard to describe this one.. but it would be a vertical line where 2 is along the x-axis. so it would look like the y-axis, only 2 spaces over.
91. science

When you use a graph to solve a problem about how far a car traveled during a specified time during which it was accelerating, how many area caculations do you have to make? What is/are the shapes/shapes ou are calculating?
92. Math(Algebra 1)

Im doing math homework and having some trouble. Its called "Graphing equations", and this one is hard. It says 2x-y=7 and then I have to match it with a graph in the textbook. What do I do first to be able to match it? Please help a.s.a.p.
93. Pre-calculus

Write the standard form of the equation of the circle that is tangent to x= -2 and has its center at (2,-4). Answer:(x-2)^2+(y+4)^2=16 Is this correct? 2) Find the area of the region between the graph of y=x^3 and the x-axis from x=1 to x=4 Answer: 63 3/4 units Is this correct...
94. Calculus

Is x^2 - 2x 1 to 1? I keep getting yes every way I try to work it. Book says no. In the end, I get (with x1=1 and x2=-1 <- I use these numbers because of the x^2) f(x1) = -1 and f(x2)=3. I can't seem to find if x1 = x2 (btw, I know that by the graph it is not, but I am ...
95. check math question

Given y=2^x Predict the equation for the graph that has been reflected in the y-axis, given a vertical stretch by a factor of 5, translated 2 units right and 5 units down. I have: y= -5 (2) ^ (x-2) - 5 Is this correct?
96. Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = −x and y = x/2 for x in [0, 6]
97. Math

If a baseball is projected upward from ground level with an initial velocity of 64 feet per second, then its height is a function of time given y s(t) = -16t^2 + 64t. Graph this function for 0 < t<4, what is the maximum height?
98. Chemistry

A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at the following volumes of base added and make a graph of pH versus Vb: Vb = 0, 1, 5, 9, 9.9, 10, 10.1, and 12 mL.
99. pre-calculas

Find the slant asymptote, if any, of the rational function. Do not graph the function. (Enter your answers as a comma-separated list of equations. If an answer does not exist, enter DNE.) f(x) = x2 − 2x + 15 _____________ x + 7
100. pre calculus

Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane. F(x)= ln(8-x) I am totally lost, somebody please help????