Pre- Calculus

21,686 results, page 78

  1. calculus

    find the centroid of the region bounded by x^2-12x and the x-axis
  2. calculus

    if the area of a triangle with the base 2F and height F-2 is equal to F, compute F.
  3. calculus

    At what values of x does the function f(x)= x(x-4)^4 have a horizontal tangent line?
  4. calculus

    if the area of a triangle with base 2F and height F-2 is equal to F, compute F. 
  5. calculus

    if the area of a triangle with base 2F and height F-2 is equal to F, compute F. 
  6. Calculus

    which of the following is an equation of the line tangent to the graph of y = (x^3)-x at the point where x =2: a) y - 6 = 4(x-2) b) y - 6 = 5(x-2) c) y - 6 = 6(x-2) d) y - 6 = 11(x-2) e) y - 6 = 12(x-2) thanks!
  7. calculus

    which of the following is an equation of the line tangent to the graph of y = (x^3)-x at the point where x =2: a) y - 6 = 4(x-2) b) y - 6 = 5(x-2) c) y - 6 = 6(x-2) d) y - 6 = 11(x-2) e) y - 6 = 12(x-2) thanks!
  8. Calculus

    Why is the linearization of any natural log function always going to be x?
  9. Calculus

    What's the practical domain and range of this volume function: 4x^3-39x^2+93.5x
  10. calculus

    what is the equation of the tangent line to the curve x^3 + 2y^2 + 3xy = 6 at the point (1,1)?
  11. calculus

    Use implicit differentiation to find dy/dx: a) xrooty-ye^x=1 b) sinxy + ln y=x
  12. Calculus 1

    Given y = x^4 − 4x^2 + 50. Find any extrema and any points of inflection
  13. calculus

    Find the equation of the line l, given that f(x)=10^x and the point A is at x=logbase10(4).
  14. calculus

    How do I find the area bounded by the curve y = x^1/2 + 2, the x-axis, and the lines x = 1 and x = 4
  15. calculus

    What is the average rate of change of y=4x^3 over the interval P(1, 4) and Q(5, 500)?
  16. Calculus

    Are the following differential equations separable or not? * y'= ye^(x+y) * y'= ye^(xy) * y'= y(xcos(y)) I am no good at these :[
  17. calculus

    If f and g are continuous functions with f(-1) = 5 and the following limit, find g(-1). lim_(x->-1)[5 f(x) - g(x)] = 18
  18. Calculus

    Let If f(x) is a function which is continuous everywhere, then we must have m=________________
  19. Calculus

    Find the equation of the line tangent to the graph of f at (1,1) where f is given by f(x)=2x^3-2x^2+1
  20. business calculus

    For the function f(x) = 18/(3x-14) determine the x-coordinate of any vertical asymptote
  21. calculus

    Let f(x)= Ax^2 + Bx + C. If f(x) passes through the point (-1,1) and has a relative minimum at (1,-13), find A, B, and C.
  22. Ap Calculus

    Find the equation of the tangent line to the graph of f(x)=cos3xlnx^4 at (1,0)
  23. Calculus

    Find the derivative of the function f by using the rules of differentiation. f(x) = (10 x^3 + 3 x^2 + 5 x - 7)/x
  24. Calculus

    On what intervals is the function f(x)=x^7−7x^6 both decreasing and concave up?
  25. Calculus

    Find the equation of the plane through (1,2,-2) that contains the line x = 2t, y = 3 - t, z = 1 +3t
  26. calculus

    equation of the tangent line to the curve y = 2x²-x+10 at the point (-1,13)
  27. Calculus

    Find the slope of the tangent line to the ellipse (x^2)/4 + (y^2)/9 = 1 at the point (x,y)
  28. calculus

    find the general solution to the differential equation. dy/dx=secxtanx-e^x
  29. Calculus AB

    Verify if the given equations are solutions to the differential equation. dy/dt=k(y-a) i) y=1-ae^(kt) ii) y=a+Ce^(kt)
  30. calculus

    Determine the values of a and b for the function f (x) = ax^3 + bx^2 + 3x - 2 given that f (2) = 10 and f ′(-1) = 14. Please help, Thanks!
  31. Calculus

    f(x) = (5e^x-6)/(17e^x+13) find f^-1(x). since the domain of f^-1(x) is in the open interval (a, b) what is a and and b?
  32. Calculus

    Can two level curves of a function intersect; explain?
  33. Calculus

    i need help finding area under curve of:2y=sqrt(3x),y=4, and 2y+1x=4
  34. Calculus

    how do I solve for t when i am given: 5000 = 45t^2 + 240t + 450
  35. calculus

    Find the area of the region bounded by the graphs f(x)=sqrt(3x)+1, g(x)=x+1
  36. Calculus

    -e^[(-(x-a)^2)/b] b>0; local max at x=7 and points of inflection are x=5 and x=9. Find the formula... y=
  37. calculus

    solve the differential equation by seperation of variables 3. dy/dx=e^(2x)/4y3
  38. calculus

    y'=xy/2ln y how do you solve the differential equation by seperation of variables
  39. calculus

    solve the initial value problem by separation of variables dy/dx=y^(2)+1, y(1)=0
  40. calculus

    solve the initial value problem by separation of variables 8. dy/dx=x+1/xy, x>0, y(1)=-4
  41. calculus

    solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4
  42. calculus

    solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25
  43. calculus

    find an equation of the curve that satisfies dy/dx=4x^3y and whose y-intercept is 7
  44. calculus

    locate all critical points sqrt(-58-4x^2+32x) thanks for any help!
  45. calculus

    find an equation of the curve that satisfies dy/dx=4x^3y and whose y-intercept is 7
  46. calculus

    solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25
  47. calculus

    solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4
  48. calculus

    how do you solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4
  49. calculus

    sketch graph of a function f that is differentiable and that satisfies the following
  50. Calculus

    find the volume OUTSIDE the cylinder x^2+y^2=9 and INSIDE the sphere x^2+y^2+z^2=25
  51. calculus

    Express as a single logarithm ln(a)+1/2ln(b) 2ln4-ln2
  52. calculus

    Express as a single logarithm ln(a)+1/2ln(b) 2ln4-ln2
  53. calculus

    use substitution to find the indefinite integral (x^3+3x)(x^4+6x^2+8)^9dx
  54. Calculus

    Find an equation of the tangent line to the curve f(x)=-1/x+2 at the points (2, -1/4).
  55. Calculus

    Find the limit. lim x-->1 (x^3)-1/((5x^2)+2x-7) Please show steps.
  56. calculus

    Please help. What is the area of the region which is bounded by the x-axis and by the graph of y=(20(7-x)(x-3))/x^2. Thank you for any help.
  57. calculus

    The point of inflection for graph x^3/3-x^2-3x+7 I cannot seem to find it as stated.
  58. Calculus 2

    Use the Midpoint Rule to approximate the integral (–10x+(7(x^2))) from 10 to 17 with n=3
  59. calculus

    find the most general antiderivative of the function f(t)=8t-3sec^2t
  60. CALCULUS

    USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪxe^2x dx
  61. Calculus

    Given m(x)=7/5x2+9-2 what is the domain of m in set notation form?
  62. Calculus

    Find the equation of a circle with center C(1,6) and tangent line x-y-1=0.
  63. calculus

    Find dy/dx and d^2y/dx^2 and then determine for which t values the curve is concave up: x=t^3 - 18t y=t^2 - 1
  64. vector calculus

    Let C be the portion of the curve y =8ãx between (1,8) and (25, 40). FindçC 2yds.
  65. calculus

    I'm not sure where to start on these two problems, so any help is greatly appreciated. 1)4^x = x^2 2)5-x^2 = e^x
  66. Calculus

    int x^9*(sin(x^5)) Can someone please explain me how to do this integral?
  67. Calculus

    int x^9*(sin(x^5)) Can someone please explain me how to do this integral?
  68. calculus

    given: f(x)=x^4-3x^3+2x^2-7x-11 find all roots to the nearest 0.001
  69. calculus

    How to create a function with a Doamin [-3,8] Range [-2,4] Increase (-3,1) (5,8) Decrease (1,5)
  70. calculus

    How do you determine the limit without substitution. ie. lim x--> -2 sqr(x-2)
  71. calculus

    For what values of a and b that make the function f continuous everywhere. f(x)={(x^2-4)/(x-2) if x<2 ax^2-bx-18 if 2<x<3 10x-a+b if x>3
  72. Calculus

    How many terms are required in the series (-6) + (-12) + (-24)... to add to a sum of -378? How do I do this?
  73. calculus

    Sin2pieover13plus cos squared pie over 13 equals.
  74. calculus

    Sin2pieover13plus cos squared pie over 13 equals.
  75. calculus

    find limit as x aproches 0 in the equation (5sin(x))/(x^2-13x)
  76. Calculus

    Take the derivative of the following functions. You do NOT need to simplify. h(x)=(6x^3+2x)/(x^2-3x+5)= F(x)=(5x^2+1)(3x-2) =
  77. calculus - limits

    Does the limit lim 2011t/3-(squareroot)t+9 exist ? t-0
  78. calculus

    For what values of x does the graph of f(x)=x+2sinx have a horizontal tangent?
  79. Calculus

    If the slope is 3, find an equation of the tangent line to the curve at P(8, -3).
  80. calculus

    find the derivative of y=cos pix/sinpix+cospix
  81. calculus

    find the partial derivatives du/dx, du/dy and du/dt. u= root (r^2+s^2, r = y + x cos(t), s = x + y sin(t);when x = 0, y = 2, t = 2
  82. calculus

    find the horizontal tangents of the curve and show work y=5x^3-3x^5
  83. calculus

    let y=(x+sin(x))^2 f(x)=? g(x)=? (f o g)'=? compute the derivative using the chain rule
  84. Calculus

    If the tangent line to y = f(x) at (4, 3) passes through the point (0, 2), find f(4) and f'(4).
  85. Calculus

    If the tangent line to y = f(x) at (4, 3) passes through the point (0, 2), find f(4) and f'(4).
  86. Calculus

    Locate the absolute exterma of the function on the closed interval. y=3-|t-3| , [-1,5]
  87. Calculus

    Find the equation of the tangent to the curve y=sin^-1 (1/x) at x=2. Please help!
  88. calculus

    what is the maximum distance between f and g when f(x)=1/2x^2 and g(x)=1/16x^4-1/2x^2 on closed interval [0,4]
  89. Calculus

    f(x)= 6ln(2x+7ln(x)) I need to find the first derivative.
  90. Calculus

    What is the limit as t→∞ of L(t)? L(t) = 34 - 32e^(-0.0719t) Thank you so much!
  91. calculus 1

    how do i find all vertical and horizontal asymptotes for the function y= 3x^2-8x+25/x^2+7x-18
  92. calculus

    find the intervals on which the function is increasing, decreasing, or constant. (-7,2)(-6,2)(-5,2)(-4,2)(-3,2)(-2,2)(-1,2)(1,3)(3,4)(5,5)
  93. calculus

    Lim (1+(a/x))^(bx) x->infinity I'm having a lot of trouble with this limit.
  94. Calculus

    Suppose f(pi/3) = 3 and f '(pi/3) = −7, and let g(x) = f(x) sin x and h(x) = (cos x)/f(x). Find the following. a. g'(pi/3) b. h'(pi/3)
  95. calculus

    find the work done in winding up a 175 ft cable that weighs 4.00 lb/ft?
  96. calculus

    what happens when Limit as x approaches infinity A) (sqrt(9+10x^2))/(7+9x)
  97. Calculus

    definite Integrals (using fundamental Theorem) Evaluate from -1 to 2(x^2 - 4x)dx
  98. Calculus

    Find the degree 3 Taylor polynomial T3(x) of the function f(x)=(−3x+33)^4/3 at a=2.
  99. calculus

    Find the point of discontinuing of the given function: 2 Marks f (x) = 3x + 1 X2-7x+12
  100. calculus

    what is the derivative of log3(x+X^2) log with base 3 i cant figure it out
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