Pre- Calculus

21,868 results, page 68

  1. calculus

    evaluate the definite integr 2 ∫ (x+1/x)² dx 1
  2. Calculus

    Show that there are at least two values of x in the interval (−π,π) such that x=1+sin(x)
  3. calculus

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

    Find the limit: lim x-> 2 ln(x/2)/ (x^2−4) Can someone help me with this?
  5. Calculus

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

    Find the integral of (sin^5 x)(cos^5 x)
  7. Calculus 1

    find an expression for a cubic function f if f(1)=6 and f(-1)=f(0)=f(2)=0
  8. calculus

    Describe three situations in which you may want to know the projection of one vector onto another.
  9. Calculus

    Suppose f and g are functions that are differentiable at x=1 and that f(1)= 2, f'(1)= -1, g(1)= -2, and g'(1)= 3. Find the value of h'(1). h(x)= [x f(x)] / [ x + g(x) ]
  10. calculus

    Find the limit lim x ->0 (sin^2 2x)/(x^2)
  11. 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
  12. calculus

    Let P= (V^2)R / (R+r)^2 Calculate dP/dr, assuming that r is variable and R is constant.
  13. calculus

    solve the initial value problems: 1- dq/dz = 2 + sinz, q(0)=5 2-dy/dx = (x^2 -2)x, y(2)=4 3-dy/dx = 4e^5^x + x, y(0)=4 4- dy/dx 3x + 2, y(3)= 2
  14. calculus

    discuss the curves under the headings given in this section y=x/x-1
  15. calculus

    find the point on the line 6x+7y-5=0 closest to (2,2)
  16. calculus

    Find relative Minimum and Maximum f'(x) = (9-4x^2)/ (x+1)^1/3
  17. Calculus

    Find the coefficient of the x^2 term in the expansion of (3x - (2/x^2))^8
  18. Calculus

    Evaluate the integral: (cos(2-3x) - tan(5-3x))dx
  19. Calculus

    Knowing that F(-2) = -7, F'(-2)= 12, g(-2)= -3 and g'(-2)= -9, Compute: a) h'(-2) if h(x)= f(x)g(x) b) h'(-2) if h(x) = f(x) / g(x) c) h'(-2) if h(x) = g(x) / 1+(f(x))^2 Show all steps
  20. Calculus

    I need help I have to submit work at 12 est time
  21. Calculus

    Find k such that the line [y=5x-4] is tangent to the function : x^2-kx
  22. calculus

    2x*sqrt(3x^2+4) Find all critical numbers:
  23. calculus

    evaluate the intergral using substitution ingergral[(x^2-e^3x)/(x^3-e^3x)^2]dx
  24. Differential Calculus

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

    Find the area between the curves y=5x and 2y=5x^2
  26. calculus

    Find the derivative. f(x)=ln(8-e^-x) I got -e^-x/8-e^-x but it was wrong. WHAT DID I DOOOO?!
  27. calculus

    Find the derivative. f(x)=ln(8-e^-x) I got -e^-x/8-e^-x but it was wrong. WHAT DID I DOOOO?!
  28. Calculus

    I need help with integrals and I need help with the problem. Integral of 4/sqrt(x)dx
  29. calculus 1a

    simplify the following expression tan(sin^-1(2x))
  30. 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)?
  31. calculus

    w=4e^sqrt(s) Find the derivative of the function.
  32. Brief Calculus

    Evaluate the integral. HINT [See Example 2 and 4.] (Remember to use ln |u| where appropriate.) (1/v7 + 5/v) dv
  33. Calculus

    Find the following interval: (2e^(2sqrt(y))/sqrt(y))
  34. calculus

    integrate (cos3x)^2/(1-2pcos(2x)+p^2) dx from x=0 to 2pi for 0<p<1
  35. calculus

    Calculate the indefinite integral: ∫(4x-3/x)dx
  36. calculus

    Find the particular antiderivative that satisfies the following conditions: dy/dx=8x^-2+6x^-1-3 where y(1)=7
  37. calculus

    I need help with the following question: Which of the following is an example of a function whose derivative is always 3? Choices are: f(x) = x=3 f(x) = 5x+3 f (x) = 3x+5 f(x) = 3 Thank you.
  38. Calculus

    When given the f graph, how do you determine extrema of F(x)? Concavity of F(x)?
  39. Math

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

    Given that 1 x^2 dx=1/3, 0 use this fact and the properties of integrals to evaluate 1 (8 − 3x^2) dx. 0
  41. calculus

    Surface area of revolution y=(x^3)+3 about the x-axis from (0,1)
  42. calculus

    In the given right triangle, find the missing length.
  43. calculus

    Find the coordinates of the vertex of the graph of f(x)=2x^2+10-1
  44. Calculus

    Find one sided limit lim x->2+ 1/(1+e^(1/x-2))
  45. calculus

    Use integration by parts to find ∫ 2x e-x dx.
  46. calculus 2

    1.Find the length of the curve y=ex+1e−x between x=0 and x=1.
  47. calculus

    f(x)= {kx-3 if x is less than or = to 1 {x^2+k if x is greater than 1 find k such that lim f(x) (x to 1) exists
  48. Calculus

    Integrate Cos^7(2x) Explanation would be helpful
  49. Calculus

    Using Descartes' Rule of Signs, solve: f(x)=x^3+x^2-x+1.
  50. 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
  51. calculus

    find the perimeter of the norman window if a= 11 ft and b= 14 ft
  52. calculus

    What is the slope of the curve x = cos(y) at the point where y=-pi/3
  53. calculus

    Consider the function whose second derivative is f''(x)=7x+6sin(x). If f(0)=2 and f'(0)=3 , find f(x) .
  54. Calculus Please help!

    The linearization at a=0 to sqrt(1+2x) is A+Bx where A is____ and where B is _____? A=? B=? Ty
  55. calculus

    Find a value c in the interval [0,2] such that f(c)is equal to the average value.
  56. calculus

    integrating e^1/3dx i got 3e1/3 +c pls am i right
  57. calculus

    Integrate using the simplest method possible: ∫(t – 1)5(2t – 7)dt
  58. calculus

    Hi i need help for calcul with a Moivre's theorem: ( 1/2 ( -1 - i√3 )) ^3 thanks for your help
  59. Calculus

    Find arccos (sqrt2/2). Can this be pi/4 and 7pi/4?
  60. Calculus

    Find all the points of inflection of the function: f(x)=x^3-3x^2-x+7
  61. Calculus

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

    What is the sum of 3 forces in equilibrium? Is it F3 = - (F1 + F2) or 0?
  63. calculus

    what is the quotient of the sum and difference of 370 and 25
  64. Calculus

    6. Find out if the line r = (1, 3, 8) + t (-2, 5, 7) is parallel to the plane 3x + 4y - 2z = 1
  65. 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.
  66. Calculus

    5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4).
  67. Calculus

    Let A be the area of the circle with the radius r. if dr/dt = 5, find dA/dt when r = 1
  68. calculus and precal

    find k such that f(x)=3k-2x+3kx^2-x^3 has a factor of (x-2).
  69. calculus

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

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

    Use the second derivative to determine the point of inflection for y = x3 – x2 – 8x + 12. ????
  72. 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 _____.
  73. Calculus

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

    f (x) = 8x^3 - 12x What is the question? You have defined a function but not said what you want to do with it.
  75. Check Calculus

    What is the sum of 3 forces in equilibrium? Is it F3 = - (F1 + F2) or 0?
  76. Calculus

    How do I integrate (x^2)(e^(x^3)) dx? I think it is integration by parts but after trying that, I got confused?
  77. calculus

    Find the average value of the function on the given interval f(x) = 2x^3(1+x^2)^4, [0,2]
  78. Calculus

    For the function g(x) = xe power x, there is inflection point at?
  79. Calculus

    How did I solve this? Find the change in y if x changes from 1 to 3. The equation is y=f(x)=2x^2+5
  80. calculus

    Find the Maclaurin series of xcos(x^2).
  81. calculus

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

    find the limit of ((sqrt(x+4))-2)/x as x approaches 0.
  83. Calculus

    6. Find out if the line r = (1, 3, 8) + t (-2, 5, 7) is parallel to the plane 3x + 4y - 2z = 1
  84. Calculus

    5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4).
  85. Calculus grade 12

    7. Where does the line r = (1, 2, -5) + t (2, -3, 1) meet the plane 2x + 5y - 3z = 6?
  86. calculus

    Find the DERIVATIVE: h(x)= e^3x+2/e^3x-2 (quotient rule)
  87. calculus

    Let f(x) be the function 6x^2-2x+8. Then the quotient (f(10+h)-f(10))/h can be simplified to ah+b for a and b eaquals what?
  88. Calculus

    6. Find out if the line r = (1, 3, 8) + t (-2, 5, 7) is parallel to the plane 3x + 4y - 2z = 1
  89. Calculus

    5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4).
  90. calculus 2

    what is the polar area between r=5sinx and r=5cosx
  91. Calculus

    How do you find the indefinite integral of (x^2-29x+5)/(x-4)^2(x^2+3)?
  92. Calculus AB

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

    Given a power function of the form f(x)=ax^n, with f'(3) = 14 and f'(6) = 28, find n and a.
  94. Calculus

    Is sum of sin(pi/n) DV or CV? I don't understand why it is DV.
  95. calculus

    find dy/dx of xsiny+cos2y=cosy
  96. AP Calculus AB

    how do you solve limit approaching 0 of (sin^2x) / (x)
  97. CALCULUS

    FIND THE DERIVATIVE OF THE FUNCTION f (x) = 10e^x
  98. calculus

    Demostrate that: d/dx [tan^-1(x)]= 1/1+ x^2 -> using implicit differentiation
  99. Calculus

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

    Demostrate that: d/dx [tan^-1(x)]= 1/1+ x^2 -> using implicit differentiation.
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