Calculus (Answer Check)

88,703 results, page 88

  1. Pre-calculus

    Describe the end behavior of f(x)=2x^4-5x+1.
  2. Calculus

    I need help finding the vertical asymptote of f(x)= 1-x -------- 2x^2-5x-3
  3. calculus

    Factor the given equation: p(x) = x^3 - 25x
  4. calculus

    Evaluate the following limit lim x^2 + 3x - 40 x-->5 ------------- 3x + 10 - x^2
  5. Calculus

    How is 2cos(4x) the derivative of f(x)=sin(2x)cos(2x)?
  6. Calculus

    If d/dx(f(3x^5))=9x^4, find f'(x) I can't figure out what this means
  7. Differential Calculus

    Find the limit of (10^x - 5^x)/x as x approaches 0
  8. Calculus

    Find dy/dx by implicit differentiation. sqrt(3 x+y)=2+x^2y^2?
  9. calculus

    find the critical numbers of the function 2t^(2/3)+t^(5/3)
  10. Calculus

    How do you integrate square root of (4-x^2) ? Pleasee help!
  11. Calculus

    series: n=1 to n=inf of 6/(n^3-4) convergent or divergent?
  12. calculus

    Let f and g be differentiable everywhere. If g is the inverse of f and g(-2)=5 and f'(5)=-1/2, then g'(2)=? PLEASE HELP! Thanks
  13. multivariable calculus

    int (30y1y2)dy1 ?
  14. calculus

    the second derivative of y for the point (-1,1) for the equation x^2y+3y-4=0
  15. calculus

    implicit differentiate this equation in terms of y x^2y^2=(y+1)^2(4-y^2)
  16. calculus

    find dy/dx of xsiny+cos2y=cosy
  17. Calculus

    If f(x) and g(x) are continuous functions with f(6)= 3 and limit as x approaches 0 of (5f(x) - g(x)) = 4, what is g(6)?
  18. Calculus

    Washer Method: y=x^3, y=1 ,x=2 aroud the Y axis
  19. Calculus

    I am lost. Find dy/dx by implicit differentiation. 1) 5y-2x^2=x-3
  20. calculus

    how do you find the x and y intercepts of an equation? i forgot.
  21. calculus

    Find a formula for the inverse of the function f(x) = (4 x-1)/(2x+3)
  22. calculus

    evaluate: integration of x^2 (square root of (1-2x^3))dx
  23. Calculus

    Evaluate the integral: sin^2(5x)cos^2(5x)dx
  24. calculus

    integrate log base 10 x / x dx i don't understand this
  25. calculus

    sec^2(x) / (1+2tanx)^2 dx please help me with this integration thank you
  26. calculus

    what are the steps and explanations for differantiating this function? y = ln(e^-x + xe^-x)
  27. Calculus

    How does ln(e^-x) = -x I know that the derivative of ln is 1/x so it would be 1/(e^-x) but how does that simplify to -x? I am confused....
  28. calculus

    how do you take a limit of [ln(1+e^n)]/2n as n goes to infinity?
  29. calculus

    how do you find the limit as n approaches infinity of n/(2^n + n)?
  30. Calculus

    How to integrate with position, velocity and accelleration
  31. Calculus

    Evaluate the limit. lim x-->infinity 5x+6/6x^2-3x+7
  32. Calculus

    f(x)=sin^(7)x The 7 is an exponent and the x is not. Find the derivative.
  33. calculus

    find the max point on the graph f(x) = -1/3x^3 + 3x^2 - 5x
  34. calculus

    Differentitate y = e^x^2 -^5^x +^4 so far i have dy/dx = 2x e^(x^2) - 5^(x)* ln 5 + can you help with the rest?
  35. calculus

    simplify the following: 2ln(x-3)+ln(x+2)-6ln(x)
  36. Pre Calculus

    log(log10^10,000)
  37. Calculus

    Using the first of these limits, find f'(3) if f(x)=4x^2+4x-2
  38. calculus

    find the first derivative of f(x)=(3-4x)^5tan(2x^2-x-1)
  39. Calculus

    The expression e^x / e^(4+x) can be written as e^f(x), where f(x) is a function of x, find f(x)?
  40. calculus

    Find the limit. lim (5u^4+7)/(u^2-2)(2u^2-1) u-->infinity
  41. calculus

    Determine whether f '(0) exists. f(x) = {xsin(10/x) if x can not = 0 0 if x=0
  42. Calculus

    [Inverse Functions] f(x)= 5cos(x)sin^(-1)(x) f'(x)=?
  43. calculus

    Differentiate the following function. y = (5 x^2 + 7 x + 6)/sqrt(x)
  44. calculus

    If 5x^2+3x+xy=2 andy=-12, find y'(2) by implicit differentiation.
  45. Calculus (derivatives)

    Find the derivative of cos^2(4x)
  46. Calculus

    What is the antiderivative of f(x)= 2x^8 + 10x^5 - 8x^4 - 4? I got (2/9)^9 + (10/6)^6 - (8/5)^5 - 4x but it's not right.
  47. Calculus

    The linear approximation at x = 0 to sin (5 x) is A + B x. Find A and B?
  48. calculus

    find the derivative of y=sqrt of arctan x
  49. calculus

    what is the the derivative of the absolute value fuction x-3
  50. Calculus

    3 ⌠ 2⌡ (2x^2+5) / x^2 dx =? I got 1.66 but it was wrong.
  51. Calculus

    Find the area enclosed between f(x)=0.4x^2+5 and g(x)=x From x=-5 to x=8
  52. calculus

    find the derivative of f(x)=cot(3x)csc^2(3x)
  53. calculus

    For a function f, let f*(x)=lim (f(x+h)-f(x-h))/h h->0 Determine f*(x) for f(x)=cos(x)
  54. Calculus

    Express the four fourth roots of 1/2 + ã3/2 i
  55. Calculus

    Express the following in Sigma notation 2+8+18+32+50+72
  56. Calculus

    Express the following in Sigma notation 2+8+18+32+50+72
  57. calculus

    U-Substitution 1. 3x(sin^2((3x^2)+1)cos((3x^2)+1)dx 2. (x^3)(sqrt((3x^2)+1)) dx u = ((3x^2)+1) then?
  58. Calculus

    The total area enclosed by the graphs of y=6(x^2)–(x^3)+x and y=(x^2)+7x is ..
  59. Calculus

    lim x->9 1 1 - - - 3 square root of x ___________________________ x-9
  60. calculus

    Deternime the instantaneous rate of change at x=2 for: y=x-2x^3
  61. calculus

    please help! Find the derivative of f when f(x) = 5 tan^-1 (e^-x) + 6e^x
  62. calculus

    Use the principles definition to find dy/dx for: y= -3x^2
  63. calculus

    lim sinx as x approaches pie/r
  64. calculus

    lim (-x+10)/(x©÷-100) x¡æ10 is this correct? 1/20
  65. Calculus

    Evaluate the indefinite integral. (e^7x)/(e^14x+16)dx
  66. calculus

    differentiate y=x^2x. show all work
  67. Calculus

    Find the total derivative dz/dt, given z=f(x,y,t) where x=a+bt and y=c+dt
  68. calculus plzz help!!!

    Differentiate the following function. ((8x^1/2)+(9/2x^1/3))^2
  69. calculus

    find derivative of (8sqrt(x)+(9/2root3(x)))^2
  70. calculus

    Find f' for each of the following where g and k are differentiable functions: f=(g^3)(k^2)
  71. calculus

    find f' for each of the following where g and k are differentiable functions. F= g{sq.rt. of k(x^2)}
  72. calculus

    find the derivative of y= 3-secx/tanx
  73. calculus

    Given F(x) = ax+3, x>5 8 , x=5 x^2 + bx + a, x<5 Find a and b so that f(x) is continuous everywhere.
  74. calculus

    How do you solve the initial value problem? (dy/dx)-2y+4=0, y(1)=4
  75. Calculus

    find f'(x) f(x)=cos(2x)tan(2x)/2√x
  76. Calculus

    Lim x-->infinity 10/x+10 find the limit
  77. calculus

    Find an equation of the line tangent to 2x^2-x-ln(x-4)-y^2=9 at (5,6)
  78. CALCULUS/DERIVATIVE

    C(X)= 2.7X +4.7 SQRT OF [400^2 + (780-X)^2]
  79. Calculus

    How do you find the derivative of: y= 2sinx cosx
  80. Calculus

    How can i find f''(x) of the function f(x)= 2(cosx)(sec^2x)
  81. Calculus

    How do i find the second derivative of f(x)= tan(1-x)^1/2
  82. Calculus

    How can i find the ln of both sides of the equation? 6=6e^3x and O.2= e^-kt
  83. pre-calculus

    Solve this Function: (3x-7)^2 (x^2-9x+18) ---------------------- x (x^2-12x+40) (x^16)
  84. pre calculus

    How do you simplify cos ((pi)/2) - feta?
  85. CALCULUS

    Show that the quadrilateral with verticies at P(0,2,5), Q(1,6,2), R(7,4,2), and S(6,0,5) is a parallelogram.
  86. Calculus

    Find the volume of the tetrahedron with verticies (1,1,2), (3,-4,6), (-7,0,-1) and (-1,5,8).
  87. Calculus

    f(x)= 1/x, x greater than 7 3x, x less than or equal to 7 Find f(7t)
  88. Calculus

    y=x^2-11x+30 For what values of x is y greater than or equal to 0?
  89. calculus

    f(x)= 1/x, x greater than 7 3x, x less than or equal to 7 Find f(7t)
  90. calculus

    Find the derivative of the function. y = cos^4(¹t - 8)
  91. calculus

    Calculate dy/dt using the given information. xy + x = 12; dx/dt = -3, x = 2, y = 5?
  92. calculus

    Calculate dy/dt using the given information. (x+y)/(x-y)= x^2 + y^2; dx/dt = 12, x = 1, y = 0?
  93. calculus

    Calculate dy/dt using the given information. (x+y)/(x-y)= x^2 + y^2; dx/dt = 12, x = 1, y = 0
  94. calculus

    find all critical points of f(x) = x^4 – 4x^3 + 4x^2
  95. Math - Calculus

    I have to solve for x in this problem: (3x+5)/[(x-1)(x4+7)=0
  96. calculus

    find the domain of f(x)=5/¡Ì(x2-4) and also range
  97. Calculus

    find the area of the region. 2y=4sqrtx , y=3 and 2y+2x=6 ?
  98. calculus

    Find the anti-derivative of x^4... Isn't it 4x^3+c? Please help... Thanks!
  99. calculus

    limit of sin x / 2x squared - x as x approaches 0
  100. Calculus

    Evaluate the integral from 2/sqrt2 to 4; 1/(t^3 sqrt(t^2-4))?
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