Pre- Calculus

21,894 results, page 79
  1. Calculus

    Find the derivative of 1/8tan^(-1)(x/8) & (x/2)(sqrt(64-x^2) + 32sin^(-1)(x/8)?
  2. Calculus

    can someone break down how to take the integral of this problem? 20te^-10t dt
  3. Calculus

    Calculate the interval of convergence. Sigma from n=1 to infinity of (n!*x^n)/n^n.
  4. Calculus

    Help me simplify this down some more so I can set it to zero and find my critical points. f(x) = x^3 (x+2)^6 f'(x) = x^3 * 6(x+2)^5 + 3x^2 * (x+2)^6
  5. calculus

    Use the definition of derivative: lim(as h approaches 0) (f(x+h)-f(x)/(h) to find f(x)=(1)/(2x).
  6. Differential calculus

    Find the equation of the parabola w/ v(3,-4) and with directrix y=0.
  7. calculus

    What is the largest possible product of two negative number whose sum is 1?
  8. Calculus

    What is the largest possible product of two non-negative number whose sum is 1
  9. calculus

    let f(x)=(x^2+2x-15)/(3x^2+12x-15) Find the horizontal and vertical asymptotes of f(x).
  10. calculus

    Use a linear approximation (or differentials) to estimate the given number. e0.01
  11. Calculus

    Find the limit. lim (x+2)/(radical(9x^2+1)) x-->infinity
  12. Calculus

    (1 pt) If f(x) = 2 √x, use the definition of derivative to find f′( x ).
  13. Math-Calculus

    Find f(x+h) -f(x) all over h...given f(x)= sqrt of all over 2x +3 . Rationalize the numerator if possible.
  14. Calculus

    Find the exact area below the curve (1-x)*x^9 and above the x axis
  15. calculus

    f(x)=1/x^2 use formal definition of derivative to find slope at x=2
  16. Calculus

    [Implicit Differentiation] (5x-y)^4 + 2y^3 = 258 evaluate y' at the point (1,1)
  17. Calculus

    Evaluate y' at (2,1) [Implicit differentiation] 5xy-3x-4=0 I got 3/10 and 2/10 but both were wrong.
  18. calculus - please help

    Simplify the expression: cos(2tan^(-1)x) any help is appreciated =D
  19. Calculus

    Let f(x)= 6x+(4/x^2). then the equation of the tangent line to the graph of f(x) at the point (2,13) is given by y=mx+b. What is m and what is b?
  20. calculus

    how do you find the derivative of this (-x^2)/ (2) +2 and does it have any x intercepts, asypmtotes, or holes.
  21. Calculus

    Write the equation of an ellipse with the foci (17, 0) and (-17, 0) and co-verticies (0, 15) and (0, -15).
  22. Calculus 1

    Find the derivative of the function. F(t) = e^(4t sin 2t)
  23. calculus

    What is the average rate of change of y=4x^3 over the interval P(1, 4) and Q(5, 500)?
  24. Calculus

    Find the x-coordinates where f '(x) = 0 for f(x) = 2x + sin(2x) in the interval [0, 2π]. MY ANSWERS: x = π/2 x = 3π/2
  25. Calculus

    lim 1/(1+h)^2-1/h h->0 I have 1 as my final answer and was wondering if i was correct
  26. calculus

    what is the limit of (1-tanx)/(sinx-cosx) as x approaches pi/4?
  27. calculus

    find the equation of the line tangent to the graph y=3e^x at x=1
  28. calculus

    find the equation of the line tangent to the graph y=3e^x at x=1
  29. Calculus

    Find the Riemann sum for f(x) = sin x over the interval [0, 2π], where x0 = 0, x1 = π/4, x2 = π/3, x3 = π, and x4 = 2π, and where c1 = π/6, c2 = π/3, c3 = 2π/3, and c4 = 3π/2.
  30. Calculus

    Let u = (-2,3) and v = (5,-6). Find the sum and the dot product of these two vectors.
  31. maths calculus also

    what is the area enclosed by the curved y=4x-x^2,and y=x^2-2x along the x-axis thanks so much help
  32. Calculus

    Find the integral of x^2 divided by the square root of (2x-x^2) dx
  33. Calculus AB

    Verify if the given equations are solutions to the differential equation. dy/dt=k(y-a) i) y=1-ae^(kt) ii) y=a+Ce^(kt)
  34. 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 Do I equal it to 0 and use implicit rule?
  35. calculus

    The slope of the tangent line to the parabola y=3x^2+6x+5 at the point (-3,14)
  36. calculus

    find the integral of square root of 1+x^3 dx or sqrt(1+ x^3)dx
  37. calculus help

    find the integral of square root of 1+x^3 dx or sqrt(1+ x^3)dx
  38. calculus

    How to find the x and y coordination of all inflection points? f(x) = x^4- 12x^2?
  39. Calculus

    f(x) = (5e^x-6)/(17e^x+13) find f^-1(x). since the domain of f^-1(x) is in the open interval (a, b) what is a and and b?
  40. Calculus

    Can two level curves of a function intersect; explain?
  41. Calculus AP

    im still stuck. i need help. evaluate the integral ∫sinx /(1+x^2) dx from -1 to 1
  42. Calculus

    Determine the limit as x approaches 1 f(x) if f(x)={3-x, x does not equal 1 and 1, x=1 A. 2 B. 1 C. 3/2 D. DNE E. None of these
  43. calculus

    Derivative of: (exp(8x^4))(5x^3+9)^3 ___________________________ (divided by) (22x^2+4x-20)^2
  44. Calculus

    If F(x)=f(g(x)-h(x)), where g(3)=5, h(3)=4, g'(3)=3, h'(3)=1 and f'(1)=10, find F'(3). I know how to do derivatives and all, but I rlly can't figure this question out
  45. calculus

    integrate log base 10 x / x dx i don't understand this
  46. Calculus II

    Solve the Initial Value Problem: Let k and Po be positive constants. P(0)=Po dP/dt = kP^2
  47. calculus

    Find the area of the figure. 17) E ach square is 7 ft by 7 ft.
  48. Calculus

    Solve the following equation on the interval [0,2pi) if sin = -0.29?
  49. calculus

    find the area of each circle. use 22 over 7 for pie. and radis for 15 in.
  50. Calculus II

    If {an} (a sequence) is decreasing and an > 0 for all n, then {an} is convergent. True/False?
  51. Calculus

    Show that a,b,c, and d are positive integers when, ((a^2+1)(b^2+1)(c^2+1)(d^2+1))/abcd≥16
  52. Please Help ! Calculus

    Find two numbers whose sum is 42 and whose product will be at the largest possible.
  53. calculus

    How do I find the x values at which the tangents to the graphs f(x)=2x^2 and g(x)=x^3 have the same slope?
  54. calculus

    Please show me how you do this. Thank you. Calculate the definite integral: 2 ∫_ 2x dx 7
  55. calculus

    Under what conditions for f'(x) and f''(X) can a graph be " straight" wthout being horizontal?
  56. calculus

    when finding area, what does it mean when it says that the function is below by the x-axis, can you give me example of this
  57. Maths - calculus

    equation for the hyperbola which has vertices (0;9) and asymptotes y= 18/5 x
  58. calculus

    evaluate the improper integral whenever it is convergent ∫0,-00 1/(4-x)^(3/2) dx
  59. Calculus

    Find the domain: f(x)= x2-7x+12/x4-8x3+13x2+30x-72
  60. calculus

    find the area of the region under the curve y=f(x)=e^2x over the indicated interval x<2
  61. calculus

    Evaluate the definite integral: [4,8] (4x^2+10)/(x^(1/2)) dx Been trying this for about 1 hour. Very frustrated, thank you.
  62. calculus

    what is three times the square root of the third derivative of x cubed. where x=y-2 and y=8
  63. Calculus

    Given that \displaystyle \int_0^4 x^3\sqrt{9+x^2} dx = a, what is the value of \lfloor a \rfloor?
  64. CAlculus

    using chain rule find the derivative of y=xsin1/x
  65. Calculus

    How do I go about integrating sin[x^(1/3)]dx?? I tried doing integration by parts and I'm going in circles.
  66. Calculus

    Find limit as x approaches -1 (x^2+2x+3)/(x^2+1) A. 0 B. 1 C. Infinity D. DNE E. None of these
  67. calculus

    solve what is the limit x->(pi/4) (1-tanx)/(sinx-cosx)
  68. Calculus

    Find the tangent line approximation for sqrt(3+x) near x=0.
  69. Calculus

    Find all the intervals on which the function is concave upward: f(x)= 4x^2-x/x^4
  70. Calculus

    how do I solve for t when i am given: 5000 = 45t^2 + 240t + 450
  71. Calculus

    Find the horizontal asymptote for the function: 3x^4-2x^3+7x/x^4/14x-2
  72. Calculus

    Find relative maxima and minima of g(x)= 2x^2+ 4000/x +10
  73. Calculus

    What is the antiderivative of: (x - x^3) / (x^4 +1)? I know that somehow I will need to factor out 1/(x^2 + 1), or the derivative of arctan, but I'm not quite sure how to do this. Any help is appreciated, thank you.
  74. integral Calculus

    ʃ (x4 + 6x3 – x2 + 2)dx I really need it for practicing this subject...please please help
  75. calculus

    Evaluate the indefinite integral of (5dx)/(xln(6x))
  76. Calculus

    Find the equation of the tangent line when x=2 for the functin f(x)=5^(x/2)
  77. calculus

    evaluate the indefinite integral of (5dx)/(xln(7x))
  78. Calculus Please Help

    Let f(x)=4−x^2. Find each of the following: (f(2+h)- f(2))/h = ________ lim h->0 (f(2+h)- f(2))/h = ______
  79. calculus

    Find the minimum distance from a point (6,3) to the parabola y^2=8x.
  80. Calculus

    An equation of the line with slope -1 that passes through the point (2,5) is y=-x+7
  81. calculus

    Find the equation of the tangent line to the graph of f(x)=4x^3-1x^2+1 at x=-2.
  82. Calculus

    On what intervals is the function f(x)=x^7−7x^6 both decreasing and concave up?
  83. Calculus

    If the equation of the tangent line to the curve: xy^3+xy=6, (3,1) find m and b
  84. calculus

    find the total differential of the function f(x,y)= xye^(x+y)
  85. calculus

    For the function f(x) = 18/(3x-14) determine the x-coordinate of any vertical asymptote
  86. Calculus

    derivative of y=ln2^x please help, I am getting the wrong answer every time
  87. calculus

    Let f(x)= Ax^2 + Bx + C. If f(x) passes through the point (-1,1) and has a relative minimum at (1,-13), find A, B, and C.
  88. calculus

    f''(x) = (3x^3 - 5x^2 + 1) / x^2; and f(1) = 0, f(-1) = 1. So i turn f''(x) into (3x^3 - 5x^2 + 1)(x^-2) and multiply to get f''(x) = 3x - 5 + x^-2 So f'(x) = (3/2)x^2 - 5x - (1/x) + c And f(x) = (1/2)x^3 - (5/2)x^2 - ln(x) + cx + d Not really sure what to
  89. Calculus

    Find the derivative of the function f by using the rules of differentiation. f(x) = (10 x^3 + 3 x^2 + 5 x - 7)/x
  90. Calculus

    Solve for x in the equation ln(16-12x)-2lnx)= ln4
  91. Calculus

    Solve for x in the equation ln(16-12x)-2lnx = ln4
  92. calculus

    Find the critical numbers for the function f(x) = 2x / sqrt(x-1)
  93. calculus

    Find the area bounded by the x-axis ,the curve y= 1/x+2, x=0,y=0, and x=5
  94. Calculus

    Find the equation of the tangent line to the curve 2e^(xy) = x + y at (0,2)

    X2 + Y4 = 16 find the slopes of the 2 tangent lines to the curve from (5,1)
  96. calculus

    What are the critical attributes that obtain between a derivative and a differential?
  97. Calculus please help !

    Find the inner product of a and b if a= (3, 0, –1) and b= (4, –2, 5), and state whether the vectors are perpendicular.
  98. Calculus

    On what values of x does the graph of f(x) = 2x^3 - 3x^2 + 12x + 87 have a horizontal tangent?

    Derivative of: (exp(8x^4))(5x^3+9)^3 ___________________________ (divided by) (22x^2+4x-20)^2
  100. Calculus(derivatives)

    f(x)=7cosx+6tanx, find f'(x)and f'(5pie/4)