# Pre- Calculus

21,911 results, page 68
1. ## calculus

how do you find the limit as n approaches infinity of n/(2^n + n)?
2. ## Calculus (Math)

Integral of (cot4x)^5 (csc4x)^7
3. ## calculus

solve the following differential equation: y' + (y)tanh(x) - 2e^x = 0
4. ## Calculus

What is the derivative of 3sin(4x)? I have no idea where to begin!!!
5. ## calculus

What is the fourth derivative of this fifth degree polynomial? 5x^5+2x^4+7x^3+x^2+x+42?
6. ## Calculus

The equation of the tangent line to f(x) = \sqrt{x} at x = 64 is y =
7. ## Calculus

2) If f(x)=∫t^2dt on the interval from 4 to x^3 then f′(x)=?
8. ## calculus

Evaulate ∫5sinx+cos(5x)dx
9. ## Calculus

Can someone please tell me how to find the following integral? cos^4(2q)*sin(2q) dq
10. ## Calculus

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

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

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

Evaluate the integral: (cos(2-3x) - tan(5-3x))dx
14. ## Calculus 1

Given f(x)= 3e^(1-x^2)*ln(x), find the equation of the tangent line at x = 1.
15. ## Calculus

find the critical numbers of the function: h(p)=p-1/p^2+4
16. ## calculus

Find or evaluate the following integral. csc^2 3x dx

18. ## Calculus

r=log(cos^2(4theta)) what is the derivative of this?
19. ## Calculus

Use the product rule to find the derivative of the following. k(t)=(t^2-4)^2 k'(t)=
20. ## Calculus

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

Evaluate the integral. HINT [Use a shortcut or see Example 4.] 4 to 3 x/(3x^2-6)dx
22. ## calculus

Find all relative extreme points y=x e^-x
23. ## calculus

The function f(x) = (7 x+9)e^{-2 x} has one critical number. Find it.
24. ## 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 _____.
25. ## Calculus

Find the derivative of the function. f(x)=ln(sqrt(x)+6)
26. ## Calculus

Find the derivative of the function. f(x) = text(ln)(9 x^2 - 3 x + 1)
27. ## calculus

i need a real life application on parabola.
28. ## Calculus

Evaluate the indefinite integral: INT dx/(64+x^2)^2
29. ## Calculus

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

31. ## calculus

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

Find the derivative of the function. f(x) = ex8 - 6
33. ## Calculus

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

Sketch the region and find its area. S = {(x,y) | x > -6, 0 < y < e-x/2}
35. ## Calculus

Find the derivative of the function. f(x) = ex8 - 6
36. ## calculus and precal

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

Lim Tan^2(3x)/2x^2 X-0 Find the Limit?
38. ## 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?
39. ## Calculus

How to integrate with position, velocity and accelleration
40. ## AP Calculus

Using the definition of derivative find f'(x) when f(x) = (1/sqr x) + x.
41. ## Differential calculus

Given that x=sinht and y=-cosht. find: dx/dy
42. ## calculus 2

integrate x^5/(x^2 + sqrt(2)) using a table of integrals
43. ## calculus

Let C be the portion of the curve y =8(x^(1/2)0 between (1,8) and (25, 40). FindçC 2yds.
44. ## Brief Calculus

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

let f:[0,1] - [0,1] be continuous function .show that there exist a in [0,1] such that f(a)=a
46. ## Calculus

2) If f(x)=∫t^2dt not he integral from 4 to x^3 then f′(x)=?
47. ## Calculus ll

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

int x^9*(sin(x^5)) Can someone please explain me how to do this integral?
49. ## calculus

find the derivative of (x^2+1) 3rd root of x^2+2
50. ## calculus

given: f(x)=x^4-3x^3+2x^2-7x-11 find all roots to the nearest 0.001
51. ## calculus

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

Use the demoivre's theorem to find the answer? (1+i)^8
53. ## calculus

Determine the derivative of f(x)=x^2In(cosx)
54. ## calculus

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

3) f(x)=x^(2)/6x^(2)+4. List the x values of the inflection points of f.
56. ## Calculus

Evaluate the integral. HINT [See Example 3.] (Remember to use ln |u| where appropriate.) (4/x - 1/4x^5 + 1/2x^7)dx
57. ## Calculus

Let y=e^(x/9). a) Find the differential dy. dy = b) Evaluate dy if x=0 and dx=−0.03. dy =
58. ## Calculus

What is the limit as t approaches 0 for (sint)/(1+cost)?
59. ## Calculus - Partial Fractions

I've set a problem up, something like this. s^4: A+D=0 s^3: -2A+B-3D+E=0 s^2: 2A-B+C+3D-3E=0 s^1: -2A+B-D+3E=4 s^0: A+C-E=4
60. ## Calculus

Suppose the area under the curve y=xe^(-mx) from 0 to 1 is 0.4. Find m.
61. ## Calculus

int x^9*(sin(x^5)) Can someone please explain me how to do this integral?
62. ## CALCULUS

difinite integral f(x)=8-4 cube root-3(x) from x=0 to x=8
63. ## Calculus

Find f'(x) for f(x)=(2x^2+5)^7 A. 7(4x)^6 B. 7(4x)^7 C. 28x(2x^2+5)^7 D. 7(2x^2+5)^6 E. None of these Would it be none of these because of the 4x in the chain rule?
64. ## Differential calculus

Given that f(x)=x, g(x)=x-1: h(x)=sqrt(x-1) find f0g0h.
65. ## CALCULUS

difinite integral f(x)=8-4 cube root-3(x) from x=0 to x=8
66. ## calculus

Find the area of the region under the curve y = 16 e ^{4 x} between x = -1.4 to x =1.4 .
67. ## calculus

I'm not sure where to start on these two problems, so any help is greatly appreciated. 1)4^x = x^2 2)5-x^2 = e^x
68. ## Calculus

use the intermediate value theorem to determine whether there is a zero f(x) = -3^3 - 6x^2 + 10x + 9 ; [-1,0]
69. ## 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.
70. ## Calculus

Find the limit of the following as x ->2 6-x, if x<2 2x+1, if x is greater than or equal to 2
71. ## Calculus

9)Evaluate the indefinite integral. ∫x^8e^(x^9)dx
72. ## calculus

f(x,y)=2xe^y-3ye^-x derive second order
73. ## Calculus

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

Find the points of discontinuity. f(x) = { 16/x^2 if x ≥ 2 { 3x - 2 if x < 2
75. ## Calculus (derivatives)

find the slopes at the indicated points y = 3 + 5x - 3x^3 (0,3), (1/2, 41/8), (2,-11)
76. ## Calculus

Given f'(x)=7cosx–11sinx and f(0)=1, find f(x)= ____?
77. ## calculus

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

For p = 15e^-x, 0 < x < 7, find the local extrema
79. ## calculus

Largest 5 dizit number exactly divisible by 32 ?
80. ## Calculus

Find the derivative. s=t^6tan(t)-sqrt t
81. ## Calculus

Find the limit of x as it approaches zero. (Sin^2 8x)/x^2
82. ## Calculus

Find the derivative. s=t^6tan(t)-sqrt t
83. ## calculus

x=2cosa-cos2a,y=2sina-sin2a
84. ## Calculus Sigma Notation

Find a and n such that: 8+16+32+64+128 (k=a) a=? n=?
85. ## calculus

What is the slope and y-intercept of the line whose equation is 4x+y+6=0.
86. ## calculus

use antidifferentiation.... and find (1/the square root of 2x)dx
87. ## Calculus

I need help with integrals and I need help with the problem. Integral of 4/sqrt(x)dx
88. ## Calculus

11) Find the following indefinite integrals. ∫x/(x+9)^(1/2)dx
89. ## Calculus

Given f(x) = csc^4(5x^2-3x+1), find f'(x). Show all work.
90. ## 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 :\
91. ## Calculus

For the function g(x) = xe power x, there is inflection point at?
92. ## calculus

how to you use partial fractions to compute the integral of ax/((x^2)-bx)dx?
93. ## 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?
94. ## Calculus

Find k such that the line [y=5x-4] is tangent to the function : x^2-kx
95. ## Calculus :(

Differentiate with respect to (t). y = d cos(t) + (t^2)sin(t)
96. ## calculus

Find so that the following function is continuous on any interval: f(x)=kx 0<x<4, and f(x) = 5x^2 if 4<x
97. ## AP Calculus AB

Find the derivative of: y=(cosx)^3-(sinx)^3
98. ## Calculus

Find the slope of the curve f(x)=1/(x^2+3). My answer: (-2x)/(x^2+3)^2
99. ## Differential Calculus

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

Determine whether Ax = lnx/(sqrt x) is convergent