1. precalc

    f(x)=4x^2-8x+9 find the vertex the maximum the minimum the range and the intervals where it increases and decreases

    asked by pre calc on May 26, 2011
  2. algebra(reiny)

    Hey thanks for all your help but you kinda confused me on a few: 1)Determine whether f(x)=-5x^2-10x+6 has a maximum or minimum value and find that value A.minimum -1 B.maximum 11 C.maximum -1 D.minimum 11 and you said the function opens up, so there is a

    asked by Marissa on August 16, 2007
  3. math

    Algebraically analyze the graph of the function f(x)= -6x^2+5x+2 . Find the vertex, axis of symmetry, range, minimum or maximum value, increasing and decreasing intervals, and zeros. Write the Quadratic equation in standard form. [Standard form is:

    asked by shannon on September 30, 2008
  4. Algebra 2

    3. Identify the vertex and the axis of symmetry of the graph of the function y = 3(x + 2)2 – 3. (1 point) A- vertex: (2, –3); axis of symmetry: x = 2 B- vertex: (–2, –3); axis of symmetry: x = –2 C- vertex: (2, 3); axis of symmetry: x = 2 D-

    asked by Robert on October 25, 2012
  5. algebra

    What are the vertex, axis of symmetry, maximum or minimum value, and range of y=-5(x+2)^2-8? please explain to me how you would solve this..I don't really understand. The answer is given.. The vertex is (-2, -8); the axis of symmetry is x= -2; k= -8 is the

    asked by Alexa on February 1, 2016
  6. Algebra

    Find the vertex, the line of symmetry, the maximum or minimum of the quadratic function, and graph the function. f(x)=x^2-4x-3 What is the vertex? (Type an ordered pair) What is the equation of the line of symmetry? x= What is the maximum/minimum of f(x)?

    asked by Mary on August 20, 2010
  7. Algebra2

    Complete parts a – c for each quadratic function: a. Find the y-intercept, the equation of the axis of symmetry and the x- coordinate of the vertex. b. Make a table of values that includes the vertex. c. Use this information to graph the function. 1.

    asked by Mara on February 8, 2008
  8. Calculus (pleas help!!!)

    Find the absolute maximum and absolute minimum values of the function f(x)=(x−2)(x−5)^3+11 on each of the indicated intervals. Enter -1000 for any absolute extrema that does not exist. (A) Interval = [1,4] Absolute maximum = Absolute minimum = (B)

    asked by Cady on April 5, 2011
  9. Calculus (pleas help!!!)

    Find the absolute maximum and absolute minimum values of the function f(x)=(x−2)(x−5)^3+11 on each of the indicated intervals. Enter -1000 for any absolute extrema that does not exist. (A) Interval = [1,4] Absolute maximum = Absolute minimum = (B)

    asked by Cady on April 5, 2011
  10. college algebra

    F(X)= -3x^2 -30x-70 what is the vertex what is the axsis of symmetry what are the intercept what is the domain what is the range intervals increase intervals decrease

    asked by zach w on November 14, 2012
  11. Math algebra 2

    Identify the vertex the axis of symmetry,the maximum, or minimum value and the range of each parabola Y=x^2-4x+1

    asked by Annie on November 2, 2015
  12. algebra

    Given the following function, find: (a) vertex (b) axis of symmetry (c) intercepts, (d) domain (e) range (f) intervals where the function is increasing, (g) intervals where the function is decreasing Please show all of your work f(x)=-7x^2-14x-3

    asked by sarah on January 18, 2012
  13. math

    . Given the following function, f(x)=-x^2 -8x find: (a) vertex, (b) axis of symmetry, (c) intercepts, (d) domain, (e) range, (f) intervals where the function is increasing, (g) intervals where the function is decreasing, and (h) the graph of the function.

    asked by mz tee on November 10, 2011
  14. math

    Find the coordinates of th vertex and write the equation of the axis of symmetry given the function f(x)=-x^2-3x-2.Is the vertex a maximum or a minimum?

    asked by Jason on December 7, 2011
  15. math

    Find the coordinates of th vertex and write the equation of the axis of symmetry given the function f(x)=-x^2-3x-2.Is the vertex a maximum or a minimum?

    asked by Jason on December 8, 2011
  16. Math/Algebra...can you check this please...

    f(x)= -4(x+5)^2+3 The vertex is : -5,3 The line of symmetry is x= 3 The maximum/minimum value of f(x)= -5 Is the value of f(-5)=3, a minimum or maximum? Minimum Graphing would open from the bottom going up on the negative side.

    asked by Angel Eyes on August 22, 2010
  17. College Algebra

    Here is the whole question... I have figured most of it out but I need help with part (b)(f) and (g)... Maybe you also check the work I have already done Given the following function, find: (a) vertex, (b) axis of symmetry, (c) intercepts, (d) domain, (e)

    asked by Sunny on January 4, 2012
  18. math

    find the vertex, the line of symmetry and the maximum or minimum value of f(x). graph the function. f(x)=-(x+6)^2-2 The vertex is The line of symmetry is x= The minimum/maximum value of f(x) is? The value of f(-6) =-2 is maximum or minimum? and the graph

    asked by Kay on August 1, 2009
  19. URGENT ALGEBRA 2

    identify the vertex and the axis of symmetry of the graph for the function y=3(x+2)^2 a.vertex(2,-3 axis of symmetry x=2 b.vertex(-2,-3) axis of symmetry x=-2 c.vertex(2,3) axis of symmetry x=2 d.vertex(-2,3) axis of symmetry x=-2 identify the maximum or

    asked by ray on October 4, 2013
  20. Maths

    Let f(x)= x^5-5x+3 1-Find f'(x) and f"(x). 2-Find the intervals on which f(x) is increasing or decreasing. 3-Find the local maximum and minimum of f(x), if any. 4-Find the intervals on which the graph of f(x) is concave up or concave down. 5-Find the

    asked by Haneen on December 1, 2014
  21. Algebra2

    Complete parts a – c for each quadratic function. a. Find the y-intercept, the equation of the axis of symmetry and the x-coordinate of the vertex. b. Make a table of values that includes the vertex. c. Use this information to graph the function. 1. f(x)

    asked by Mara on February 8, 2008
  22. calculus

    Find the extreme values of the function for the given intervals. 2x^3 – 21x^2 + 72x a) [0,5] b) [0,4] I have both the minimum values for both intervals which is 0. But I am unable to find the maximum. please help!!!

    asked by Abdullah on March 13, 2011
  23. Caluclus

    Find the absolute maximum and absolute minimum of f on the interval (-1,2]: f(x)=(-x^3+x^2+3x+1)/(x+1) A. Maximum: (1, -2); Minimum: (-1, 2) B. Maximum: (1, -2); Minimum: None C. Maximum: None; Minimum: None D. Maximum: None; Minimum: (-1, 2) E. None of

    asked by Anonymous on January 11, 2015
  24. algebra can someone help my buddy ray out

    identify the vertex and the axis of symmetry of the graph for the function y=3(x+2)^2 a.vertex(2,-3 axis of symmetry x=2 b.vertex(-2,-3) axis of symmetry x=-2 c.vertex(2,3) axis of symmetry x=2 d.vertex(-2,3) axis of symmetry x=-2 identify the maximum or

    asked by johnny on October 4, 2013
  25. maths

    For the following graph: a. Find the domain of f. b. Find the range of f. c. Find the x-intercepts. d. Find the y-intercept. e. Find the intervals over which f is increasing. f. Find the intervals over which f is decreasing. g. Find the intervals over

    asked by seth on February 18, 2013
  26. calculus

    there are no examples of this type of problem in my book so if you could help walk me through it - that would be extremely helpful. thanks ahead of time. Find the extreme values of the function on the interval and where they occur. 4) F(x)=³√(x); -3

    asked by K.T. on December 15, 2014
  27. math algebra trig

    For the graph of each function, find an equation of the line of symmetry and the coordinates of the vertex. Tell whether the value of the function at the vertex if a maximum or a minimum: a) y = -x^2 + 4x - 7; b) y = 2x^2 + 4x; c) y = -3x^2 - 18x + 5.

    asked by CHEYANNE MARIE on May 5, 2012
  28. Algebra

    For questions 20-21, begin with the following equation: y = 8x^2 + 10x + 3 . 20) Find the axis of symmetry. > -5/8 21) Identify the vertex as a maximum or minimum. > minimum ___________________________________ Please tell me if these answers are correct or

    asked by Michael on June 10, 2007
  29. math

    I'm having some troubles with these. Thanks in advance. If a>0 find the minimum value. If a

    asked by Andrea on October 31, 2006
  30. Algebra

    I need a jump start in setting up the equations etc when solving for vertex, line of symmetry and deciding maximum/minimum This is the problem I am starting with f(x)= -2x^2+2x+8 We are looking for the vertex, line of symmetry and the max/minimum I cannot

    asked by deranged on May 5, 2009
  31. calculus

    Find the absolute extrema of the function (if any exist) on each interval. (If an answer does not exist, enter DNE.) f(x) = square root of (25 − x^2) (a) [−5, 5] minimum (x, y) = (smaller x-value) (x, y) = (larger x-value) maximum (x, y) = (b) [−5,

    asked by Sagar on April 5, 2016
  32. Math

    a)Write a function o represent the area of the rectangle. one side - 5x+15 other side - 31-2x b) Graph the function- lebel x and yint c)what dp the x-intercepts represent in this situaltion? d)Does the funtion have a maximum value in this situaltion? Does

    asked by Emmanuel on January 1, 2016
  33. ALGEBRA

    Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function. f(x) = -2x^2 + 2x + 9 x coordinate is y coordinate is the equation of the line of symmetry is x = Maximum/minimum of f(x) is the value, f (1half) = 19 over 2

    asked by GGIFT on April 6, 2010
  34. calculus

    Please help!! Okay so my teacher has been away and hasent explained anything to us and we have to find the intercepts, critical points, intervals of increase and decrease, points of inflection, intervals of concavity, local maximum or minimum points for

    asked by mia on July 24, 2014
  35. CURVE SKETCHING PLEASE HELP

    Okay so my teacher has been away and hasent explained anything to us and we have to find the intercepts, critical points, intervals of increase and decrease, points of inflection, intervals of concavity, local maximum or minimum points for each of the

    asked by mia on July 24, 2014
  36. Calculus Please Help

    A continuous function f, defined for all x, has the following properties: 1. f is increasing 2. f is concave down 3. f(13)=3 4. f'(13)=1/4 Sketch a possible graph for f, and use it to answer the following questions about f. A. For each of the following

    asked by Cecille on February 22, 2011
  37. Calculus Please Help

    A continuous function f, defined for all x, has the following properties: 1. f is increasing 2. f is concave down 3. f(13)=3 4. f'(13)=1/4 Sketch a possible graph for f, and use it to answer the following questions about f. A. For each of the following

    asked by Cecille on February 22, 2011
  38. math

    Find vertex, the line of symmetry, and the maximum or minimum value of f(x). f(x)= (1/4) (x+3)^2 +9

    asked by jen on April 11, 2010
  39. increasing and decreasing intervals

    Have to find the intervals on which f(x) = 4 - sqrt(x+2) is increasing. Also the intervals on which the function is decreasing. TIA Find the derivative of f(x). When the derivative is positive, the function increases as x increases. When the derivative is

    asked by Jen on November 5, 2006
  40. algebra

    y=2x^2+5x-3 a)determine the x-intercepts b)determine the vertex c)determine the axis of symmetry d)determine the maximum or minimum value, stating whether it is a maximum or a minimum e)determine the range can i get the equations so i can try them myself?

    asked by Shay on January 18, 2007
  41. calculus

    If f(x) = 3 cos^2(x) − 6 sin(x) 0 ≤ x ≤ 2π Find the intervals of increase and decrease, the intervals of concave up and concave down, local maximum values, local minimum values, and inflection point

    asked by SIRI on October 17, 2014
  42. Algebra

    Find the vertex, maximum or minimum,and if the concave is up or down. Y= 3x-54x+241

    asked by Samantha on April 15, 2013
  43. Algebra- Maximum and minimum.

    I don't understand how to find the maximum and minimum. Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point. 15.f(x) = -x2 + 2x - 4 20.f(x) = 2x2 - 4x 19.f(x) = x2 -

    asked by Niki on October 13, 2007
  44. Math

    The path of a softball is given by the equation y=0.08x^2 + x + 4. The coordinates x and y are measured in feet, with x=0 corresponding to the position from which the ball was thrown. A) Use a graphing utility to graph the trajectory of the softball. B)

    asked by Laura on April 23, 2007
  45. Algebra II repost- please check

    I posted these a little while ago but this time I have answered them. 1. Does the graph of y = x – 3x2 + 5 have a maximum or minimum? 2. What is the vertex of the graph of y = -2(x - 3)2 + 4? 3. Does the graph of y = -2(x - 3)2+ 4 open up or down? My

    asked by JaneLee on November 27, 2007
  46. Elementary Math

    Find the missing numbers and landmarks for the set of numbers: 48, 50, 51, 51, 57, 59, 60, 63, 69, ______ , 76, ______ . A Range: _____ B. Mode: __76__ C. Minimum: __48__ D. Maximum __76__ Help - we don’t understand this, or see a pattern. Range =

    asked by Trudy & Mark on October 2, 2006
  47. math

    Find the vertex, the line of symmetry, and the maximum or minimum value of f(x). Graph the function. F(x) = 1/8 (x + 9)² +3

    asked by Juan on April 24, 2011
  48. algebra

    graph the function. find the vertex line of symmetry, and maximum or minimum value. f(x)=(x+3)^2-4

    asked by sam on July 11, 2010
  49. calculus

    2. Consider the function f defined by f(x)=(e^X)cosx with domain[0,2pie] . a. Find the absolute maximum and minimum values of f(x) b. Find the intervals on which f is increasing. c. Find the x-coordinate of each point of inflection of the graph of f.

    asked by Yoona on January 2, 2012
  50. calculus

    2. Consider the function f defined by f(x)=(e^X)cosx with domain[0,2pie] . a. Find the absolute maximum and minimum values of f(x) b. Find the intervals on which f is increasing. c. Find the x-coordinate of each point of inflection of the graph of f.

    asked by Yoona on January 2, 2012
  51. algebra

    find the vertex, line of symmetry,and the maximum or minimum value of f(x). Choose the graph that represents f(x)=1/4(x+9)^2+7

    asked by Carol on November 28, 2011
  52. Math - Geometry

    I'm having problems with one of the questions on my homework. It has 4 parts. Thanks 9) y = -2(x + 5)^2 + 4 A) Find Vertex B) Find the Zeros C) Find the y-intercept(s) D) This function has a: a) Minimum b) Maximum

    asked by Lilly on March 13, 2015
  53. Math

    How to find coordinates of vertex, and find out if the function has minimum or maximum value and find that value? f(x)=2x^2+8x+9 & f(x)=-x^2-2x+7 Please explain..I'm very lost. :(

    asked by Amame on February 16, 2014
  54. Math

    Consider the equation below. (Give your answers correct to two decimal places.) f(x) = 8sin(x) + 8cos(x) 0 ≤ x ≤ 2 (a) Find the intervals on which f is increasing. (Enter the interval that contains smaller numbers first.) ( , ) union ( , ) Find the

    asked by Aymal on March 10, 2010
  55. algebra I need immediate help with this question T

    The 2nd question has a fraction and I think this is confusing me on this one f(x)=1/5(x+7)^2+7 I need to find the vertex line of symmetry max/min and is the value f(-7)=7 a minimum or a maximum?

    asked by Kamath on May 10, 2009
  56. math

    In Quadratics Grade Ten:How do you find the coordinates of the vertex? What is the Optimum value mean? What are the zeros of the relation? How do you know if the parbola is Maximum or Minimum?

    asked by confused on March 26, 2010
  57. Calculus

    For the function below, determine the intervals of concavity: f(x)=xlnx I tried doing it but the second derivative would always be f''(x)=1/x, so it would be concave up at x>0 and concave down at x

    asked by Isabella on January 10, 2016
  58. Calculus

    Use analytical methods to find the exact global maximum and minimum values of the function f(x)=8x-ln(4x) for x >0. If a global maximum or minimum does not exist, enter the word NONE. For the global maximum at x=none, But for the Global minimum at x=? Is

    asked by George on October 16, 2008
  59. Algebra

    min/max point minimum or maximum f(x)=2x^2+8x-2 a=2 x=(-b)/(2a)=(-8)/(2)(2)=-4 x=-4 y=2(-4)^2+8(-4)-2 2(16)-32-2 32-32-2 y=-2 (-4,-2) axis of symmetry is x=-4 range[-2,oo] minimum value -2

    asked by John on April 3, 2008
  60. John

    min/max point minimum or maximum f(x)=2x^2+8x-2 a=2 x=(-b)/(2a)=(-8)/(2)(2)=-4 x=-4 y=2(-4)^2+8(-4)-2 2(16)-32-2 32-32-2 y=-2 (-4,-2) axis of symmetry is x=-4 range[-2,oo] minimum value -2

    asked by Algebra on April 3, 2008
  61. Calculus

    For any constant c, define the function f_c(x)= x^3+2x^2+cx. (a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0, 1, 2, 3, 4. What are the similarities and differences among the graphs, and how do the graphs change as the parameter

    asked by Sean on November 1, 2009
  62. Calculus

    For any constant c, define the function f_c(x)= x^3+2x^2+cx. (a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0, 1, 2, 3, 4. What are the similarities and differences among the graphs, and how do the graphs change as the parameter

    asked by Sean on November 1, 2009
  63. Math

    Can someone help me with these questions? 1.What are the maximum and minimum values for Y=28(1.21)^x on the interval 0

    asked by Jay on December 2, 2011
  64. calc

    Consider the function below. (Round the answers to three decimal places. If you need to use - or , enter -INFINITY or INFINITY.) f(x) = 4 + 4x2 - x4 (a) Find the intervals of increase. (Enter the interval that contains smaller numbers first.) Find the

    asked by Anonymous on April 3, 2010
  65. Algebra II

    State the vertex of the graph: y=2x-6x+9 ...the 2x is squared. y = 2x^2 -6x + 9 The vertex is where the function is a minimum. That would be where dy/dx = 4x -6 = 0 x= 3/2 If you are not familiar with calculus, then rewrite the expression y = 2 (x^2 -3x +

    asked by Kate on March 29, 2007
  66. Math

    1. State whether f (x) = x^-1 has a minimum value, maximum value, or neither on the following intervals. Select all that apply. (a) (0, 3) (b) (1, 3) (c) [1, 3) Need Help.

    asked by Jessie on June 29, 2010
  67. Algebra 1B

    This Question is in multiple sections. f(x)= -2x^2+2x+10 is the problem 1)What is the x coordinate of vertex in simplified fraction? 2)What is the y coordinate of vertex in simplified fraction? 3)What is the line of symmetry? 4)What is the maximum/minumum

    asked by LeAnn/Emergency Help Please on February 27, 2010
  68. calculus1

    Please help I want to post a picture but Jiskha doesn't allow me so I just describe what I see.the derivative tangent line curve start at (0,1/2). It curve downward pass the x-axis at (1,0)until it reach a local minimum at (2,-1)then it curve upward until

    asked by john on October 28, 2017
  69. Calculus

    Find the absolute maximum and absolute minimum of f on the interval (-4, -1]: f(x)=(x^3+8x^2+19x+12)/(x+4) A. Maximum: None; Minimum: (-2, -1) B. Maximum: (-4, 3); Minimum (-1, 0) C. Maximum: (-4, 3); Minimum: (-2, -1) D. Maximum: None; Minimum: (-1, 0) E.

    asked by Anonymous on January 11, 2015
  70. algebra

    find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function f(x)=x^2-4x-5

    asked by sam on July 11, 2010
  71. geometery

    1.given the function y=x^2-4x+5,find the following: a.vertex b.maximum or minimum c.axis of symmetry d.y-intercept e.x-intercept(zeros) f.graph

    asked by sophie on October 25, 2012
  72. algebra urgently need help

    I have been working on these 2 problems and I think I am confusing myself. I have never tried this site before but it was recommended to me. I appreciate whoever can help me. Thanks in advance The first question is f(x)=-2x^2 + 2x + 8 I need to find the x

    asked by krystal on May 10, 2009
  73. algebra need help soon

    I have been working on these 2 problems and I think I am confusing myself. I have never tried this site before but it was recommended to me. I appreciate whoever can help me. Thanks in advance The first question is f(x)=-2x^2 + 2x + 8 I need to find the x

    asked by ayanna on May 8, 2009
  74. calculus

    For the function f(x)=x^3e^x, determine intervals of increase and decrease and the absolute minimum value of f(x) To do this I found the derivative which is f'(x)=3x^2e^x. Then I set it to zero: f'(x)=0 0=3x^2e^x How would I isolate x? And when I do, I

    asked by Sara on April 29, 2015
  75. Pre-Calculus

    Determine a quadratic function in vertex form given each set of characteristics. * minimum value of -24 and x-intercepts at -21 and -5 I have: (-21,0) and (-5,0) How would I find the x-coordinate of the vertex? (Thank you)

    asked by Lucina on March 10, 2015
  76. math

    Please help me to find the five-number summary of the following set of numbers.338, 226, 149, 391, 247, 501, 300, 223, 320 According to a definition I found online, "The five-number summary of the data consists of the minimum data point, the first

    asked by carmen on April 23, 2007
  77. Please check my Calculus

    1. Find all points of inflection: f(x)=1/12x^4-2x^2+15 A. (2, 0) B. (2, 0), (-2, 0) C. (0, 15) D. (2, 25/3), (-2, 25/3) E. none of these I got D. I found the second derivative and equaled it to 0 and solved for x. I plugged the x values in to get my

    asked by Anonymous on January 12, 2015
  78. macroeconomics

    Suppose in 2009 the united states congress passes a minimum wage law that increases the minimum wage (the lowest legal wage) to 7.25 per hour and has a provision that increases the minimum wage at the beginning of each year based on the CPI for the

    asked by sally on February 27, 2010
  79. Math

    State whether the function y=-2x^2-8x+17 has a maximum or minimum value and identify the coordinates of the vertex.

    asked by Alex on October 22, 2014
  80. Math

    1.) If a = 2 and the vertex of a parabola is (3, -4), will there be a minimum or maximum value for the parabola? What is the value? 2.) If a = 2 and the vertex of a parabola is (3, -4), what is its axis of symmetry?

    asked by Ben on October 7, 2014
  81. Algebra 2

    The vertices of a feasible region are A(1,2), B(5,2), C(1,4). Write a function that satisfies each equation. a) A is the maximum and B is the minimum. b) C is the maximum and B is the minimum. c) B is the maximum and A is the minimum.

    asked by Marilu on October 18, 2012
  82. Algebra 2

    The vertices of a feasible region are A(1,2), B(5,2), C(1,40. Write a function that satisfies each equation. a) A is the maximum and B is the minimum. b) C is the maximum and B is the minimum. c) B is the maximum and A is the minimum.

    asked by Marilu on October 18, 2012
  83. Pre-calculus

    Given the following values for f(t): t : f(t) 3 : -7 6 : 6 9 : 19 12 : 6 15 : -7 18 : 6 a) What is the period, frequency, midline, amplitude, maximum, and minimum? b)Find a possible formula for f(t) c)Find the domain and range of f(t) d)Find a formula for

    asked by Elle on March 26, 2009
  84. Calculus

    Find the absolute maximum and absolute minimum values of the function f(x)=x^3+6x^2-63x+4 on each of the indicated variables. Enter DNE for does not exist. (A) Interval = [-8,0] Absolute maximum = Absolute minimum = (B) Interval = [-5,4] Absolute maximum =

    asked by Nate on October 29, 2013
  85. AlgebraB-2

    1. What are the coordinates of the vertex of the graph? Is it a maximum or minimum? 3. How is the graph of y = –2x2 – 4 different from the graph of y = –2x2? (1 point) 4. Graph the function. Identify the vertex and axis of symmetry.

    asked by Jennifer W. on March 19, 2013
  86. math

    A biker traveling with a velocity of 80 feet per second leaves a 100 foot platform and is projected directly upward. The function modeling the projectile motion of the biker is s(t)=-16t^2+80t+100,where s(t) is the height and t is the number of seconds the

    asked by crystal on October 29, 2014
  87. macroeconomic

    Suppose in 2007 the United States Congress passes a minimum wage law that increases the minimum wage (the lowest legal wage) to $7.25 per hour and has a provision that increases the minimum wage at the beginning of each year based on the CPI for the

    asked by nasir on July 11, 2016
  88. Calculus

    Can you check my answer? Solve the separable differential equation: dy/dx=(sqrt(x))/2y y=(2/3)x^(3/4) Let f be the function given by f(x)=x^3-5x^2+3x+k is a constant. a) On what intervals is f is increasing? (-oo,1/3), (3,oo) b) On what intervals is the

    asked by Anonymous on November 18, 2007
  89. algebra

    determine the given quadratic function has a minimum valueor maximum vale. Then find the coordinates of the minimum or maximum point. f(x)=x^2=2x-9

    asked by joe on February 4, 2013
  90. Calculus

    Let F(x)=int from 0 to x of (t-3)/(t^2+7) dt for -infinity

    asked by Kate on January 25, 2012
  91. statistics(best fit line)

    I'm trying to graph a set of points with data, and I have been given the equation for the best fit line, but when I graph it, the line doesn't match up with the data. It's either too steep or too low. I think it has to do with my intervals for the x and y

    asked by bryan on June 8, 2011
  92. physics

    Gradually increase the angle of the incline, but keep the angle low enough that the block does not slide. Select all the phrases below that would make the following statement true: For this situation, as the angle is increased the maximum possible value of

    asked by Sam on June 8, 2014
  93. ALGEBRA

    Determine whether the quadratic function has a minimum or maximum value.Then find the coordinates of the minimum or maximum point. f(x)=2x^2-4x

    asked by ANONYMOUS.... on March 3, 2009
  94. math

    Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.f(x) = x2 + 2x - 9

    asked by Deborah on February 10, 2014
  95. Calc 3

    Find the maximum and minimum values of the function f(x,y,z)=x+2y subject to the constraints y^2+z^2=225 and x+y+z=1. Maximum and minimum value is?

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  96. Calculus - please help

    Can someone please do these questions step by step and explain them. I really need help so I can do the same for the rest. a) f(x) = e^(sqrtx) 1. State the domain and range 2. Find f'(x) 3. Determine the intervals of increase and decrease. d) f(x) = e^x +

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  97. math-calc

    for x (-12, 10) the function f is defined: f(x)=x^7(x+2)^2 On which two intervals is the function increasing (enter intervals in ascending order)? Find the region in which the function is positive Where does the function achieve its minimum?

    asked by mkcolema on March 13, 2009
  98. algebra

    given the following quadratic equation, determine if it has a maximum or a minimum value. Then find the maximum or minimum value f(x) - -11x^2 - 2x - 7

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  99. Finite Mathematics

    Find the maximum and minimum value of the objective function given. z = 21x + 12y maximum value z = minimum value z =

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  100. Math HELP

    The table below shows the measured dimensions of a prism, and the maximum and minimum possible values based on the greatest possible error. Dimensions l w h Measured 9 5 3 Maximum 9.5 5.5 3.5 Minimum 8.5 4.5 2.5 a. Find the measured volume. b. Find the

    asked by Stephen on November 19, 2010

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