Pre- Calculus

21,911 results, page 70
  1. integral calculus

    integrate. (1):sin2xcos3x (2):5(cos3x)^2
  2. Calculus

    How do you find the first and second derivative of the following function? P(t)=20/(1+3e^-0.02t)
  3. calculus

    find the slope of the tangent at the given point. Y=2x^4 (-1, 2)
  4. Calculus

    Let f(x) = x*sin(5.8/x), x not equal to Zero and f(x) = L, x = Zero. Find the value of L so that f(x) is continuous at Zero. Thanks!!
  5. brief calculus

    Find f(x) if f(1) = 1 and the tangent line at (x, f(x)) has slope 6/x
  6. calculus

    fin derivative of the function (t+e^t)(4- sqrt t)
  7. Calculus

    find second derivative of f(t)=inverse cos(4t)
  8. Calculus i need help

    (Cosx)^y=x^siny find dy/dx at point pi/(4,0)
  9. calculus

    find the derivative of the function f(x) = e^(3x) sec (7x)
  10. calculus

    the value of f(4) is negative, but the function is increasing rapidly at x=4
  11. calculus

    Integral of ln(sinx+cosx) with respect to x from -pi/4 to pi/4
  12. Calculus

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

    In the following question, k=5.8 Let f(x)= {x sin (k/x) x ~= 0, {L x = 0. For the given value k, find the value of L so that f(x) is continuous at 0. Many thanks!!
  14. Calculus

    What is the least positive integer that has exactly thirteen factors?
  15. Calculus

    Find the average value of the function on the given interval: f(x) = e^x/5, [0,5]
  16. Calculus ll

    find the second order derivative, rxy(x,y) for r(x,y)=xy/8x+5y
  17. Calculus

    Differentiate the following function. f (x) = 7 sin(x) + 1/6 cot(x)
  18. calculus

    If Sn = 1 + 6 + 11 + 16 + 21 + 26...... where an = (5n − 4), what would be the mathematical expression represented by Sk + ak + 1?
  19. Calculus

    Determine all values of x for which each function is discontinuous. F(x)= 3x+4 / 4x^2 - 2x -2
  20. Calculus

    Find the indicated limits. Lim x-> 1- sqrt 1 - 1/ x-1
  21. Calculus help

    Find the area under the graph of f(x) = e-ln(x) on the interval [1, 2].
  22. Calculus

    How do you find the derivative of f(x)=sin2x/cos2x
  23. calculus

    Which is the correct cofunction identity for tan?
  24. calculus

    Simplify the expression: tan(-x)csc(x)
  25. calculus

    given the circle x^2+y^2+2x-2y-14=0, find it's intersection with the y-axis. please help me....
  26. Calculus

    write the equation of line tangent to f(x)=(1/3x^3)-x^2+x-1 when x=1
  27. Differential Calculus

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

    find an antiderivitive for integral(f looking sing)3/3x+4 dx
  29. calculus

    sqrt(x^2 - 9) / x I need to solve this using the definition of a derivative [f(a+h) - f(a)]/h I can't seem to get it :\
  30. calculus

    Largest 5 dizit number exactly divisible by 32 ?
  31. Calculus

    The length of the graph of f(x) = 2/3x^(3/2) over [0,p] equals 52/3. Find p. I think p is about 8.09.
  32. Calculus

    find f'(x) f(x)=cos(2x)tan(2x)/2√x
  33. calculus

    find the conjugate on z times w if z=[3,120] and w=[-1,-15]
  34. calculus

    identify and explain all the kinds of discontinuity for y = (x + 4)/(x^2 - 16)
  35. Calculus Sigma Notation

    Find a and n such that: 8+16+32+64+128 (k=a) a=? n=?
  36. Calculus

    Lim x-->infinity 10/x+10 find the limit
  37. Calculus

    For p = 15e^-x, 0 < x < 7, find the local extrema
  38. Math (Calculus)

    Determine the area of the region y=e^x,y=x^3
  39. calculus help

    Evaluate!!!! integral -10 to 10 ((2e^x)/(sinhx+coshx))dx Thanks!
  40. calculus

    If z = 2cis 60°, find z^4 in rectangular form.
  41. calculus

    find the domain of the function a) f(x,y) = e^(-xy) b) h,(u,v)= √(4-u^2 - v^2)
  42. Calculus

    Determine the maximum and minimum value of the function f(x)=-xe^x + 2.
  43. calculus

    find the area of the region: y=4 y=2sqrt(x) y=3-x
  44. Calculus

    What is the sum of all the odd #s between 100 & 200??
  45. Calculus

    Consider the function f(x)=(7/x^2)-(6/x^6). Let F(x) be the antiderivative of f(x) with F(1)=0. Then F(2) equals _____.
  46. calculus

    for abs value of x <1, the derivative of y= ln square root 1-x^2 is.....?
  47. calculus

    find the (conjugate of z) times (w) if z=[3,120] and w=[-1,-15]
  48. Calculus

    Evaluate by U-substitution: the integral of xcubedroot(x-2) dx
  49. brief calculus

    x/(x − 6)^2 I get ln(x-6)- 6/(x-6)+ C but it isn't correct, what should the answer be?
  50. calculus

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

    Given f(x) = 2(x^(5/3)) - 5(x^(2/3)) Find the slope of the tangent at each x-intercept
  52. calculus

    Find a function f from R to R such that f is continuous at only one point?
  53. Calculus

    I need to find the next 3 terms...but I can't figure out what the rule for this! 3, 5, 3 1/2, 4 1/2, 3 3/4, 4 1/4, 3 7/8, 4 1/8... please help! thank you so much
  54. Calculus

    Lef f be the function defined by f(x)=x^3+x. If g(x) is the inverse of f(x), g(x)=f^-1(x) and g(2)=1, what is the value of g'(2)?
  55. Calculus

    [Implicit Differentiation] (6+y)^3 + 4y = x + 55 with y' at (1, -2) y' at (1,-2) =? I got this far but I'm not sure if I'm doing it right: 3(6+y)^2(1dy/dx)+4dy/dx=1
  56. Calculus help

    Lim(x>inf)=2000x^4/200x^4= 10
  57. Calculus

    Integrate Cos^7(2x) Explanation would be helpful
  58. Calculus First Derivatives

    If f(2) = 2.5 and f'(2) = -2.5, then f(2.5) is approximately... I have no idea how to do this without an equation.
  59. calculus

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

    find the equation of the tangent line to y=4^((x^2)-6x+3) at x=4
  61. calculus

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

    Find limit of 2x+1-cosx/3x as x approaches 0?
  63. Calculus

    For what values of k does the series ∑n=1 to infinity (11/(2k^2 + 3))^n converge? I think this is k < -2 and k > 2.
  64. calculus

    2x^3+3x^2-12x-7 the absolute maximum. I need help because it seems no one else in my class knows how to.
  65. calculus

    find the total differential of the function. f(x,y) = 5y/x-y
  66. Calculus

    Find dy/dx by implicit differentiation: x^2-2xy+y^3 = c Thank you!
  67. 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?
  68. ap calculus

    f(x)=x^3-2x^2+x and f'(x)=3x^2-4x+1 Find the value(s) of x where f(x) has a horizontal tangent (slope=0)
  69. Math

    Find dx/dy by implicit differentiation x^2y+y^2x P.S: It's calculus
  70. Calculus

    Calculate the dot product of two vectors: m = [4,5,-1] and n = [6,-2,7]
  71. calculus

    Evaluate the following integral: (X)(cube root(x+1))dx
  72. Calculus

    two complex numbers Z and W are related by the formula W=(Z+1)/(1-Z) what is W if Z=1.5i? thanks for the help!
  73. calculus

    limit as n approaches infinity for the function ((-1)^n)((5n+7)/(6n+5))
  74. Calculus

    differentiate each function a) y = (cscx)(cotx) b) y = x^2 + e^(2x)
  75. Calculus

    Let A be the area of the circle with the radius r. if dr/dt = 5, find dA/dt when r = 1
  76. Calculus

    use the intermediate value theorem to determine whether there is a zero f(x) = -3^3 - 6x^2 + 10x + 9 ; [-1,0]
  77. calculus

    find implicit derivative of 2y^2 - x^2 = 3xy + 5
  78. calculus

    Evaluate the indefinite integral: y^3*sqrt(y + 5) dy.
  79. calculus

    evaluate the intergral using substitution ingergral[(x^2-e^3x)/(x^3-e^3x)^2]dx
  80. Another Calculus help plz

    Show that if y=tanx/2 dy/dx=1/sinx
  81. Calculus

    Find a formula for the inverse of the function. f(x) = (1 + 9x) / (8 - 4x)
  82. calculus

    find the approximate change in z when the point (x,y) changes from (1,1)to (1.01, 0.90) f(x,y) = xe^(-y) + ye^(-x)
  83. Calculus

    Let f(x)=x^2-8x+16 and g(x) x^2-16. For what values of x is f(x)/g(x) increasing? Explain plz~
  84. calculus

    lim (x->0.5 from the left)((2x-1)/|(2x^3-x^2)| = -4 I would have thought positive four. How can this be?
  85. Calculus

    Find the critical numbers of the function. h(t)=t^3/4-6^1/4
  86. calculus

    Can someone help me with the problem? f(x)={ln 2x, 0<x<2 {2lnx, x >or= 2 The limit lim x-> 2 f(x) is?
  87. Calculus

    can someone help me find the antiderivative of: f(x)=4x times the squareroot of (1-x^2)
  88. Calculus

    Find the foci of the equation 25^2 + x^2 = 600 Thank you!
  89. Calculus AB

    What are the six trigonometric functions of 2010 times pi?
  90. calculus

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

    I am lost. Find dy/dx by implicit differentiation. 1) 5y-2x^2=x-3
  92. Calculus please help

    Use the Midpoint Rule to approximate the integral from 7 to 17 (1x-1x^2)dx with n=3
  93. Calculus

    Show that the vectors (-1,2,3), (4,1,-2) and (-14,-1,16) do not lie on the same plane
  94. calculus

    Find the limit as x approaches -4 of 4-lxl/4+x
  95. calculus

    Given the function h : x -> 3x + c and h^-1 : x -> cx/m - 1, where c and are constants, find the values of c and m
  96. Calculus AB

    If r and s are roots of the pokynomial equation x^2 + bx + c, show that b=-(r+s) and c=rs
  97. Calculus

    Find the domain of the following function h(x,y) = sqrt(x-9y+5)?
  98. Calculus

    Given f'(x)=7cosx–11sinx and f(0)=1, find f(x)= ____?
  99. 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)
  100. Differential Calculus

    Given that p=(2q^2-5)^2. when q=3, it is increased by 0.7%. find the appropriate percentage in p.