Pre- Calculus

21,824 results, page 85

  1. calculus

    find the area of each circle. use 22 over 7 for pie. and radis for 15 in.
  2. calculus

    find equation of the tangent line to the graph of f(x) at the given point f(x)=(x-1)(2x+3)/(x-5) at 9, 42
  3. 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?
  4. calculus

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

    Find constants a and b in the equation f(x)= ax^b/(ln(x)) such that f(1/8)= 1 and the function has a local minimum at x= 1/8
  6. calculus

    solve the initial value problem by seperation of variables du/dt=2t+sec2t/2u, u(0)=-5
  7. calculus

    solve the initial value problem by seperation of variables du/dt=2t+sec2t/2u, u(0)=-5
  8. Calculus (pleas help!)

    For what values of k is lim x -> INF coshkx/sin2x finite?
  9. calculus

    how do you solve the initial value problem by using separation of variables dy/dx=1/y^2, y(0)=4
  10. calculus

    how do you solve the initial value problem by using separation of variables dy/dx=-xy^2 when y(1)=-0.25
  11. Calculus

    Fill in the following table, where E(x) denotes the error in approximation of f(x) by T(x). x - 2 x 3 2.1 2.01, 2.001 f(x) T(x) E(x)
  12. calculus

    how do you set up the volume of the region bounded by y=x and y=x^2 rotated about the line y=3.
  13. Calculus

    find the volume of the region bounded by y=e^x, y=0, x=-1, x=1 rotated about the x axis
  14. calculus

    If f(2)=-3, g(x)=f^-1(x), what is the equation of the tangent line to g(x) at x=-3? I don't know how to find g(x), if you can help me with that, then I think I can do the rest of the problem
  15. Math calculus-Trig

    Find the area bounded by the curve and the lines y = -x^2 - 4x; y = 1; x = -3; x = 1
  16. calculus

    Please help find the solution to the initial value problem dy/dx=(1+2cos^2 x)/y with(y>0), and y=1 when x=0. Thanks.
  17. calculus

    Choose the correct quantity to fill in the blank: Integral_______ dx = (ax2 - a2)4 + C.
  18. calculus

    Choose the correct quantity to fill in the blank: Integral_______ dx = (ax2 - a2)4 + C.
  19. calculus

    Find the general indefinite integral ∫cosxsin^4xdx
  20. calculus

    Find the area of the region bounded by the graphs of the algebraic functions: f(y)=y^2+12 g(y)=0 y=-12 y=13
  21. Calculus

    Find the area of the largest rectangle that can be inscribed in a semicircle or radius r.
  22. Calculus

    lim sin2x x->0 ----- x How do I get rid of the x on the bottom in order to solve this problem? Thanks!
  23. calculus

    how do I find the derivative of f(x)= 4/ square root of x ? using the limit process?
  24. Calculus ll

    Find the partial derivative of the function with respect to each of the independent variables.f(x,y)=xe^2y
  25. Class 12th Calculus

    If y = e^x cosx, prove that dy/dx sqrt(2) e^x . cos(x+ pie/4)
  26. calculus

    Find the angle ABC, if A = (4, –3, –1), B = (0, 0, 0) and C = (–2, –3, 5) Could you lead me in the right direction I don't know where to start
  27. 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.
  28. CALCULUS

    USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪx^5 Lnx dx
  29. calculus

    USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪãx lnx dx
  30. calculus

    Solve the equation 2x^3 + 3x^2 - 6x - 4 = 0, giving the result to four decimal places
  31. Calculus

    Express the quadratic function y=-2/3x2-12x-11 in standard form?
  32. calculus

    Using L'Hôpital's rule, evaluate lim of xe^(-x) as x approaches infinity
  33. Calculus:)

    Find the area of the region enclosed by y−2x^2≥0 and |x|+|y| ≤ 1
  34. Calculus:)

    Find the area of the region enclosed by y−2x^2≥0 and |x|+|y| ≤ 1
  35. Calculus

    Find the area of the region enclosed by y−2x^2 ≥ 0 and |x|+|y| ≤ 1
  36. calculus

    find the highest or Lowest point on the surface z=3x^4+4x^3+6y^4-16y^3+12y^2
  37. calculus

    Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?
  38. calculus

    Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?
  39. calculus

    Find the derivative of the function. 1. 2x+5/3x-2 2. (1-x)(1+x^2)^-1 Please show work. TYVM. :)
  40. Calculus

    Find the average value of function f(t)= 4sec(t)tan(t), interval [0,pi/4]
  41. Calculus

    differentiate: y=sin^2(x)- cos^2(x) I have this: y'= 2cosx + 2sinx What do i do next??
  42. Math/Calculus

    Find the average rate of change on the interval [-6,3] of the function h(x)=x^2-4x+7. A. -7 B. 7 C. 1 D. 13 E. -5
  43. calculus

    x squared minus four, at which intervals is the function increasing or decreasing?
  44. Calculus

    Evaluate the indefinite integral of InT(-x^3+9x^2-3x+2)/(x^4-2x^3) I got ((1-2x)/(2x^2))+3*ln(2-x)-4*ln(x) but apparently that's not the answer...
  45. Calculus

    Evaluate the indefinite integral of InT(-x^3+9x^2-3x+2)/(x^4-2x^3) I got ((1-2x)/(2x^2))+3*ln(2-x)-4*ln(x)+c but apparently that's not the answer... and I don't know why.
  46. Calculus

    Evaluate the indefinite integral of InT(-x^3+9x^2-3x+2)/(x^4-2x^3) I got ((1-2x)/(2x^2))+3*ln(2-x)-4*ln(x)+c but apparently that's not the answer... and I don't know why.
  47. calculus

    Assume that x and y are differentiable functions of t. Find dy/dt using the given values. xy=x+4 for x=4, dx/dt=-5 a. 0.20 b. 3.75 c. 1.25 d. 5.00 e. -0.25
  48. Calculus

    What is the average rate of change I would like to know how does the formula f(2.1)-f(2)= 12.3 how did they get that answers
  49. calculus

    Find equations for the lines that are tangent and normal to the graph of y = sinx + 3 at x = pi
  50. calculus

    how to find all real zeros of "4x^5+8x^4-15x^3-23x^2+11x+15
  51. calculus

    Express the given quantity as a single logarithm. 1/3ln(x + 2)3 + 1/2[ln(x)− ln(x^2+3x+2)^2]
  52. 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 :\
  53. calculus

    Let f(x)=6x+16x^2 . Then the equation of the tangent line to the graph of f(x) at the point (2,16) is given by y=mx+b for m= and b=
  54. Calculus

    is there a number a such that the lim x->2 6x^2+ax+a+57/x^+x-6 exists? if so find the value of a and the limit.
  55. calculus

    Find the points on the curve y=(cosx)/(2+sinx) at which the tangent is horizontal.
  56. Calculus

    Find the equation of the tangent line to the curve below at point (0,3) y=6/(1+e^-x)
  57. Calculus

    If f(x) = { √2-x x < 2 { x^3 + k(x+1) x ≥ 2 determine the value of the constant k for which lim exists. x->2
  58. elements of calculus

    write the equation of the line tangent to the curve y= 3x^3- 2x at the point where x=2
  59. calculus

    Please help me find the derivative of f(x) = x^(2^x) I got to ln(f(x)) = 2^x(lnx) but now I'm stuck..
  60. calculus

    y = (ln x)^(cos4x) Use logarithmic differentiation to find the derivative of the function.
  61. Calculus

    Find all points on the curve where the tangent line is horizontal y = (x^6/6) - (x^2/2) + 1
  62. Calculus

    Find all points on the curve here the slope is 1 y = x^4 - 31x + 11
  63. calculus

    find the equation of the tangent line at f(x)=tanx - 2 at point (pie/8,3)
  64. calculus

    If y = f(x) = x^(p/q) then y^p = x^p show through implicit differentiation that d/dx[x^(p/q)] = (p/q)x^[p/q] Not sure how to tackle this problem.
  65. Calculus

    Find the area of the region enclosed between y = 2sin (x) and y = 2cos (x) from x = 0 to x = pi/4. Thanks for your help :)
  66. calculus

    find equations of the tangent lines to the curve y=(x-48)/(x+48) that are parallel to the line y=6x+6
  67. calculus

    this is the last problem on my homework and I JUST CANT GET THE RIGHT ANSWER!! Help. :/ limit as x -> -infinity of: (1-(3/x))^2x
  68. Calculus

    Find the three zeros for the following function on the interval -5 </= x </= 5 (1 + 50sin(x)) / (x^2 + 3)
  69. Calculus please help

    Find the centroid of the area bounded by the parabola y=4-x^2 and the x-axis A.(0,1.6) B.(0,1.7) C.(0,1.8) D.(0,1.9)
  70. Calculus

    Find the average value of the function on the given interval. f(x)=6x lnx; [1,e^2]
  71. calculus

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

    Find the area under the curve y=5(cosx) and above y=5(sinx) for 0<x<pi
  73. calculus

    what is the exact area of f(x)= 4x+5 from x=1 to x=4 using the limit of an infinite sum method.
  74. calculus

    find the are of the surface of the part of the sphere (x^2)+(y^2)+(z^2)=4 that lies above the plane z=4
  75. calculus

    Anti Derivative of F''(x) = 4 + 6x + 24x^2, f(0) = 3, f(1)=10 Not sure how to find the value of the constant for F'(x).
  76. integral Calculus

    ʃ(1-sin A)^2 cos A dA please help.i don't know how to solve this.i need your help
  77. calculus

    given f(x)=ã(x). find the distance of the point P(2,5) from the line tangent to the functions at x=4.
  78. Calculus

    Find the area of the region bounded by y=x^4/3-4 , the x-axis,x=-1 , and x=1 .. Search tips:
  79. calculus

    verify the Intermediate Value Theorem if F(x)=squre root of x+1 and the interval is [3,24].
  80. calculus

    Write the definite integral for the area of the region bounded by the grpahs of y=9-x^2 and y=0
  81. Calculus

    Integrate dx/xlnx. What method am I supposed to use? I'm totally lost.
  82. math-calculus

    x^2+9xy+20y^2/x^2+5xy (x+4y)(x+5y)/(x))x+5y) i cancel off x+5y's (x+4y)/(x) that be the anser?
  83. Calculus

    What exactly is an integral? I understand it is the area under a curve but what does it pertain to?
  84. math-calculus

    for which of following functions is graphof y = |f(x)| identical to graph of y = f(x)? A. f(x) = 2x B. f(x) = -2x C. f(x) = 2x^2 D. f(x) = -2x^2 i real not get this.
  85. Calculus (Help please)

    Find all the critical numbers for the following function. F(x) = (16 - x^2)^(3/5)
  86. calculus

    How do you find the points of continuity for F(x) = sin(x^2-2) ? Can you show your work? Thx
  87. collge calculus

    find the derivative of y=[(4^(7x))(7^(4x))]/[10^(e)] without using logarithmic differentiation!
  88. MATH -CALCULUS

    SKETCH THE REGION ENCLOSED BY THE GIVEN CURVES: Y=|10X|, Y=X^2-11
  89. Calculus

    Find the equation of the tangent line to the curve y = sqrt (x+5) at the point (4,3)
  90. College Calculus

    Calculate the average over the given interval. f(x)=sin(pi/x)/x^2, [1,2]
  91. Calculus

    Verify this question 1. Determine lim as x->3 (3x-8)/(4x-12), if it exists. (3(3)-8)/(4(3)-12) =1/0 Therefore it doesn't limit doesn't.
  92. Calculus

    I think I wrote it wrong earlier it should be Find the derivative y = (3x+2)/(x+1)
  93. calculus

    Determine whether the given function is continuous. If it is not, identify where it is discontinuous.
  94. calculus

    Find the surface area generated when y = (x^3/12) + (1/x), from x=1 to x=2 is rotated around the x-axis.
  95. Calculus

    find all points at the curve x^2y^2+2xy=3 with the slope of the tsngent is -1
  96. calculus 2

    find the indefinite integral showing all work. x^3(x^4-11)6dx
  97. Calculus

    If f(x) has zeros at x=a, and x=b, the x coordinate of the turning point between x= a and x=b is 1/2(a+b). PLease help i don't understand this!
  98. Calculus

    Given y = 5 sin(6x – pie), state the (a) period (b) phase shift
  99. calculus

    Find an equation(s) of the circle(s) described. Tangent to x + y = 0 and x - y - 6 = 0; center on 3x - y + 3 = 0. How do you solve this?
  100. calculus

    how do I find the equations for the lines tangent to the curve y 4 + x y= ------ 4 - x which are parallel to the line y = 2x 32.
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