Pre- Calculus

21,824 results, page 61

  1. Calculus

    If f'(x) = 2xln(-4(x^2-2.75))+(2x^3)/(x^2-2.75) find the domain.
  2. Calculus

    If f(x) = 2sin(5x)arcsin(x), find f'(x).
  3. Calculus

    y = tan^-1(sqrt(5x^2-1)) find dy/dx
  4. Calculus

    Simplify sin(tan^(-1)x)
  5. Calculus

    Simplify cos(sin^(-1)x)
  6. calculus

    Let y =x arcsin x, x is an element of ]-1, 1[. Show that d^2y/dx^2 = 2-x^2/(1-x^2)^3/2
  7. Calculus Inegral

    integral of x/lnx
  8. Calculus

    What would the derivative of c(x) = (10 - x) + 1.4*sqrt((x^2) + 25)
  9. Calculus

    Given f''(x)= -4sin(2x) and f'(0)=4 and f(0) =-6. Find f(pi/2)
  10. Calculus

    Find limit as x->-3 of (sin(4x+12))/(5x+15)
  11. Calculus

    lim x to 1 of (sin(1-cosx))/x
  12. Calculus

    integrate (pi/6 & 0) (1-cos3t)(sin3t)dt
  13. Calculus

    integrate (pi&0) sin t/(2-cost) dt
  14. Calculus

    Let h(x) = 5g(x) - 3x^2 + 2 sin(x) - 7x, and suppose g'(0) = 2, find h'(0)
  15. Calculus Help

    find y'' by implicit differentiation. 2x^3 + 3y^3 = 8
  16. calculus

    revenue function of x^2+3p=675
  17. Calculus

    If y = y(x), write y’ in Leibniz notation.
  18. calculus

    find indefinite integral of (e^-x)-(1)/(e^-x+(x)^2 dx
  19. calculus

    find indefinite integral ((e^-x)-(1))/((e^-x)+(x))
  20. calculus

    find average value of f [0,10] f(x)= 3/x+1
  21. calculus

    x^4 + 2x^2 + 1 = 0 (x^2)^2 +2x^2 +1 = 0 (x^2 + 1)^2 = 0 I don't know where to go now although I know the answer is x = i, -i
  22. Calculus

    Limit as x approaches (pi/2)^- of (x-pi/2)*secx
  23. calculus help

    Find f. f'(x) = 9/(square root of (1-x^2)) , f(1/2) = 1 f(x) = ??????
  24. Calculus Please Help

    integral t^2dt from x to x^2 f'(x)=?
  25. Calculus

    Why does 2ln6 - 2ln3 = ln4?
  26. Calculus

    How do you find the derivative of y=5sin(-x)
  27. Calculus

    How do you find the derivative of y=tan^2(x^4)?
  28. Calculus

    How do you find the derivative of y=sinxtan^3(x)?
  29. Calculus

    x(x^2-1)^3 using change of variable
  30. Calculus

    xe^x using integration by parts
  31. Calculus

    find the co-ordinates y=x(2-x) where the gradient is 2
  32. Calculus-Math

    Derivative of x^7/7x^3-45x+25
  33. calculus

    Verify Clairaut's theorem for u=ln(x^(2)-y^(2)).
  34. calculus

    How to solve by completing the square? 1. 4(c+3)^2=1/4 2. (2p-5)^2=1/4 3. 2w^2-3w-3=0
  35. Calculus

    If (x+2y)dy/dx=2x-y, what is the value of d^2y/dx^2 at the point (3,0)? A. -10/3 B. 0 C. 2 D. 10/3 E. Undefined
  36. Calculus

    Find the derivative of the function. h(x)=(x^10-1)^3 h'(x)=
  37. calculus

    The linear approximation at x = 0 to f(x) = \sqrt { 5 + 4 x } is y =
  38. calculus

    The linear approximation at x = 0 to f(x) = \sin (5 x) is y =
  39. Calculus

    what is x and cosh ln(x) when tanh(lnx^(1/2)= 12/13
  40. calculus

    find the derivative of the function y=(2x+1)^3(4x+1)^-4
  41. calculus

    find the derivative of the function y=(4x+3)^5(5x+2)^-4
  42. calculus

    find the derivative of the function y=(3x+4)^5(4x+1)^-2
  43. Calculus

    4) On the integral from 1 to 2 ∫(4x^2+4)/x^2dx =?
  44. Calculus

    Find limit as x approaches 5 (x^2-3x-10)/(x-5)
  45. Calculus

    Find dy/dx if x^2+y^2=2xy A. x/(x-y) B. (y+x)/(y-x) C. 1 D. -x/y E. None of these
  46. calculus

    If sec x = -3, 0 < x < pi, find cot x.
  47. Calculus

    Find critical points for y'=2/3x^3-4x
  48. Calculus

    I don't get how you get this part: f' = (1-x)/(1+x)^3 f" = [(-1)(x+1)^3 - 3(1-x)(x+1)^2]/(x+1)^6 = [-(x+1)+3(x-1)]/(x+1)^4 ( I don't understand how you got this!!) = (-x-1+3x-3)/(x+1)^4 = (2x-4)/(x+1)^4
  49. Calculus

    Solve the differential equation f"(x)=x^2, f'(0)=3, f(0)=-1
  50. calculus

    integral sqrt(1-x^2) . sin^-1 x dx
  51. Calculus

    Integration with substitution The integral of f'(g(5x))g'(5x)dx
  52. Calculus

    The integral of sin(7x)cos(7x)dx
  53. Calculus

    would the derivative of f(x)=(7^x)(x^7) be f'(x)=(7^x ln7) (7x^6)?
  54. Calculus

    Evaluate: the integral from pi/8 to pi/6 csc2xcot2xdx
  55. calculus

    If u=(0,2,3) and v=(1,3,-1) find the projection of u onto v a) 1/3 u b) 3/11 v-> -> c) (1,1,-1) d) (1/3, 1, -1/3)
  56. Calculus check

    y=-1/sqrt(x^2+1) , then dy/dx= A. x/(x^2+1)^1/2 B. x/(x^2+1)^1/2 C. -x/(x^2+1)^1/2 D. -x/(x^2+1)^3/2 E. x/(x^2+1) I got B.
  57. calculus

    cos2x=secx find x
  58. Calculus 1

    How do you find the derivative of 1/3(x^2+2)^3/2 ? Please help
  59. Calculus

    Evaluate dy/dt for 2xy-2x+2y^3=-10 with the conditions dx/dt=-4 x=2 y=-1 dy/dt=?
  60. calculus(urgent pls)

    Integral of 1/[x^2(1+x^2)]
  61. Calculus

    f(x)=xe^-x^2. What interval is this function increasing.
  62. Calculus

    How do the constants 5, 4, and 12 in f(x) = 5x^2 - 4x + 12, affect the derivative? Thanks!
  63. Calculus AB

    Find the limit as x->infinity of ((3x+2)/(3x+4))^(3x+1)
  64. calculus

    what is the range for the function j(x)=5+sqrt of 2-x
  65. Calculus

    Differentiate each function with respect to x: F(x)=x/(x+1)^1/2
  66. Calculus 1

    Differentiate. f(x)=5sqrt(x)sinx
  67. Calculus

    What does it mean when the limit of f(c) doesn't exist?
  68. Calculus 1

    Find the derivative of the function. y=(e^3u -e^-3u)/(e^3u+e^-3u)
  69. differential calculus

    differentiate g(t)=3/sqrt(t)
  70. Multivariable calculus

    Find dy/dx x=te^t y=t+sint
  71. calculus

    If f(x) = 5ex cos x, find f '(x) and f ''(x).
  72. Calculus

    Calculate the approximation. L4, f(x)=cos^2 x , [pi/6, pi/2]
  73. Calculus

    Find c so y=4x+3 is tangent to the curve y=x^2+c
  74. Math 142 (calculus)

    Determine d^2y/dx^2 for y=(5x^5+7)^4
  75. Calculus

    Find the limit as x->infinity of (1+8/x)^x
  76. Calculus

    Evaluate the integral. cot3(4x) dx
  77. Calculus

    Calculate integral [0, infinity) xe^(-x) dx
  78. Calculus

    Given dy/dt=4y and y(2)=400. Find y(7).
  79. Calculus

    Find the derivative of f(x)=(2x)^(1/2)ln(15x)
  80. calculus

    Find the critical numbers x1 and x2 of y=(9x^2+3)/4x.
  81. Calculus pz help urgently

    Integrate:sinxcos(x-1/4.pi)dx
  82. Calculus

    How do you use u-substitution with 20sin(x^2/35)?
  83. Calculus

    Find the implicit differentiation for each. 1) x^2 = (x-y) / (x+y) 2) (x+y)^3 + (x-y)^3 = x^4 + y^4
  84. Calculus Plz Help

    If f(x)=x^4, compute f(-2) and f'(-2) f(-2)=___ <--- ?
  85. High school calculus

    Calculate y when dy/dx = 1/(bx+5)^3
  86. calculus

    area between the curves y^2=4x , 7y=2x+20 , 2x+3y=0
  87. Calculus (easy)

    What is the polar form of (-2-2i)?
  88. Calculus

    Need help with a few questions
  89. Calculus

    solve the equation y'=(sqrt(x))/2y
  90. Calculus

    when x intercept -3, point P(2,5,7) and Q(1,10,14) how to find x,y and z?
  91. Calculus

    lim (x--> infinidy) x^2/ln(x)= -1 0 1 e does not exist
  92. Calculus

    Find F'(x) for F(x)= integral[from 1 to x] of cos(t^3)dt
  93. Calculus

    lim x-->0 ((7-3x^5+x^2sinx)/(5cosx))
  94. Calculus

    Differentiate with respect to x 1/sin x
  95. Calculus 1

    Find the limit. lim x->0 (e^(6/x)+8x)^(x/2)
  96. calculus

    Find lim as (x,y) goes to (0,0) of (e^(-x^2-y^2)-1)/(x^2+y^2).
  97. calculus

    find the inverse of the matrix. [ 16 1 ] 1 16
  98. Integrals calculus

    7/x^2-8 does it give you 7ln(x^2-8)
  99. calculus

    Locate the discontinuities of the function y=(5)/(3+e^(1/x))
  100. calculus

    lim f(x)=? x->3- f(x); -3.7, -3.97, -3.997, -3.9997, ?
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