Calculus (Answer Check)

88,790 results, page 90

  1. Pre-Calculus

    For any two linear functions f(x)=ax+b and g(x)=cx+d, is f o g the same as g o f?
  2. calculus

    y= -5x + 4 OVER 10 - 5x find the asymptotes of the function
  3. calculus

    find a and b lim x -> 0 ((2x+b)^1/2)-(5^1/2))/ ((a(abs x)/4) - (1/4))= 2
  4. calculus

    find a and b lim ((b^1/2)+(5^1/2)) x - 0 ------------------ = 2 (a(abs x)/4) - (1/4)
  5. calculus

    Differentiate the function f(x) = 186.5
  6. calculus

    Prove that d/dx(cot x)= -csc^2x
  7. Calculus

    Assume that x>0 and y>0. If y=5sqrt{x+9} and dx/dt = 2, find dy/dt when x=7.
  8. calculus

    4x√(2x^2 + 2x - 1). find first derivative
  9. calculus

    lim x-0 xtan(8x)+ 2tan(8x)/(x^2+4x)
  10. Calculus i need help

    Find dy/dx if x^2.y+sin(xy)+y^4.x^2+3xy=5???
  11. calculus

    where is f(x)=12cos(3x) equal to zero. so far i have pi/2+n2pi.. i am not sure about pi/2
  12. calculus

    11,406.14=(438.3/r)(1+r)^10 how do you solve for r?
  13. Calculus

    Find the second derivative of the function f(x)= t^2e^(-2t)
  14. calculus

    cos2x=secx find x
  15. calculus

    what is the slope of the curve y=tan(6x^2) when x=ð
  16. Calculus

    find g''(x) if g(x) = xe^x I have g' as e^x(x+1) then g'' as e^x(1) or just e^x am I missing the mark?
  17. calculus

    Find the derivatives of the following function: i)y=-3x^-3 +2x^-2 + x-2
  18. Calculus

    Express the inverse of (f o g) in terms of f^-1 and g^-1
  19. Calculus

    determine the angle between the planes 2x + 2y + 7z = 8 and 3x - 4y + 4z = 5
  20. Pre-Calculus

    find the inverse of g(x)=(x+7)^3+4
  21. Calculus

    How do you find the derivative of y=tan^2(x^4)?
  22. college pre-calculus

    if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?
  23. calculus

    determine the domain for each function f(x)=6x^(2)-x-1, g(x)=x-1
  24. Calculus

    Differentiate: y=ln(x/(2x+3))^(1/2) y=(1/2)ln(x/(2x+3)) y'=0+(1/2)((2x+3-2x)/(2x+3)²) What's next after the quotient rule?
  25. calculus

    find the nth derivative of 2/(x+1)
  26. calculus

    Determine the following limit. lim (1/x-3) x->3
  27. ap calculus

    how do i find the volume of an egg?
  28. Calculus

    If f(x)=0.5x+3 then what is fofofof? (composite function)
  29. Business Calculus

    I need help with: r(x)= 4/5x^2 + 8x + 15 What do you do with the 4/5X^2? I know that (x+3) and (x+5) is the factoring for x^2 + 8X + 15 but have no clue what to do with the 4/5.
  30. calculus

    Find a value for k so that 2x^2 + kx + 1 has no real roots.
  31. Calculus..Need Help Soon

    If f(x)=1-x^3 and f^-1 is the inverse of f, how many solutions does the equation f(x)=f^-1(x) have? a)none b)one c)three d)five e)six
  32. calculus

    find the nth derivative of 2/(x+1)
  33. Calculus

    Given that f(x)= x^3 i f x≥0 x i f x<0 which of the following functions is even? I. f(x) II. f(|x|) III. |f(x)|
  34. Calculus

    (c) y=x2,y=2−x,and the vertical linex=2
  35. calculus

    Evaluate integral from -2 to 3 of 4 lxldx
  36. Math 142 (calculus)

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

    Find the critical number of g(t)=(t^2)/(5t+4)
  38. calculus

    determine the domain for each function f(x)=x-6, g(x)=3x^(2)
  39. calculus

    What is the degree 5 coefficient of the polynomial p(x)= x^2 (x+1) (x+3x^3 + 4x^4)?
  40. Calculus

    Find the absolute max of f(x)=5x-e^(5x)
  41. Calculus AB

    Find the indefinite Integral of: (e^(2x)-e^(-2x))/(e^(2x)+e^(-2x))dx Thank you very much for your help.
  42. Calculus

    Evaluate the integral INT(x^4+6x^3+5x^2+8)/(x^2+6x+5)dx Please help.
  43. Calculus

    6x-3y=4 find dy/dx using differentiating implicity
  44. Calculus

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

    Find the derivative: y=x^(sin(x))
  46. pre-calculus

    tan(1/2)cos^-1(9/10)
  47. Calculus

    Let f(x) = 4x5/4 + 10x3/2 + 9x. Find the following. (a) f '(0) = (b) f '(16) =
  48. Calculus

    For what values of x does 4x^6-8x^3+18 have a relative minimum
  49. Calculus

    Find the first and second derivative for the function g(t)=t^2(3t+1)^4
  50. Calculus

    Average value of f(x) = e ^ 4xsquared on the interval [-1/4,1/4]
  51. Calculus

    find the inflection points of x^4+5x^3-9x^2+6
  52. Calculus

    Let A(x)=∫x^(2),∞; (e^-t/t)dt for x>0. Find A'(x)
  53. calculus

    If f and g are two functions for which f' = g and g' = f for all x, then prove that f^2 - g^2 must be a constant.
  54. Calculus

    the integral from 0 to pi/2 of sin^5(x)cos^18(x)
  55. calculus

    (2y-1)dy/dx=(3x^2+1) given that x=1 when y=2 plz show step thanks
  56. calculus

    sec^2(pi/2-x)-1=cot^2x where do i start
  57. Calculus

    Finding area under a curve From [1,3] 2x^2 -4x +1
  58. Calculus 1

    Evaluate the definite integral: (dx/(x(1+ln(x))) from 1 to e^7.
  59. Calculus

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

    Write h(x) = 6x^4 - 2x^2 + 1 as a composition of two functions f and g
  61. Calculus

    Use linear approximation to approximate f(0.8) given f(x)=2x^3-3x+1
  62. calculus

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

    (c) find the integral of 1/squrt (x^2+2x+10) dx
  64. Calculus

    Intergrate the following. y = cos(x)(2sin(x)-1)^6
  65. calculus

    is the lim (x tending to 0) of (sin(0))/0 = 1?
  66. calculus

    Differentiate: 1/s+ke^s Do I just use the quotient rule? Thanks
  67. calculus

    intergal xcosax^2dx =
  68. calculus

    int dx/3sinx+4cosx dx =
  69. calculus

    If f(x)=2cos(4ln(x)) , find f'(x)
  70. Calculus

    g(x)=5x^2+3x+2 Compose g(g) and find domain
  71. AP Calculus

    Find x. lim (sin(x))^x x-->0
  72. Calculus 2

    Solve the differential equation: dy/dx = y^2 + y
  73. Calculus

    For which value(s) of k will the dot product of the vectors (k,2k-1, 3) and (k,5,-4) be 7? I did this so far, 2k-1=5 6/2 k=3
  74. Calculus

    Explain how lim x->1 ((x^2)-1)/(sqrt(2x+2)-2) = 4
  75. calculus

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

    what is the domain of f if f(x)=2cos(4x+pie)-1
  77. calculus

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

    solve: Sin2x=Sinx
  79. pre-calculus

    use gauss-jordan x+2y=5 2x+y=-2
  80. Calculus

    Evaluate. The integral of (e^5x)(sin6x)dx
  81. calculus

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

    Suppose x^2+1>= f(x) >= 4x-3 for all x. Compute lim f(x) x->2
  83. calculus

    g(x)= (((x-1)/x)-1)/((x-1)/x) Simplify and state the domain.
  84. calculus

    john has$1.70 . he has 3 more dimes than quarter.
  85. Calculus

    Differentiate: y=sin(2z)+cos^2z
  86. Calculus

    reflexive property of ellipse
  87. Calculus

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

    Solve the inequality |5+(2/x)|<1 solution is (-1/2,-1/3).
  89. Calculus

    Find the derivative of tanh(e^t)
  90. calculus

    f (4 + h) - f (4) = 4h^2 + 4h (a) What is f '(4)? (b) What is the slope of the secant line through (4, f (4)) and (7, f (7))?
  91. Calculus

    If y = y(x), write y’ in Leibniz notation.
  92. Pre-Calculus 12

    2x^3 - 13x^2 + 32x - 13 = 0
  93. calculus

    determine the domain for each function f(x)=2x+3,g(x)=x-1
  94. calculus

    find the area of the region under y=6 ln(3 x) and above y=8 for 4<x<7
  95. Calculus

    Let f(x) = 1/(x+2) and g(x)= (x-1)/x. Simplify and state the domain. f(g(x)) g(f(x))
  96. pre calculus

    simplify sin(2 pi/3+x)
  97. calculus

    Find the fourier series of F(x) = 1, -L<=x<0 = 0, 0<=<L f(x+2L) = f(x)
  98. Pre-Calculus

    How to find domain of: y = -3 + ãx+6
  99. Calculus

    FInd the area of the region between y=x^(1/2) and y=x^(1/5) for 0<x<1.
  100. calculus (math)

    Simplify exactly log_2 1/16
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