# Pre- Calculus

21,824 results, page 61

1. ### Calculus

If f'(x) = 2xln(-4(x^2-2.75))+(2x^3)/(x^2-2.75) find the domain.
2. ### Calculus

If f(x) = 2sin(5x)arcsin(x), find f'(x).
3. ### Calculus

y = tan^-1(sqrt(5x^2-1)) find dy/dx
4. ### Calculus

Simplify sin(tan^(-1)x)
5. ### Calculus

Simplify cos(sin^(-1)x)
6. ### calculus

Let y =x arcsin x, x is an element of ]-1, 1[. Show that d^2y/dx^2 = 2-x^2/(1-x^2)^3/2
7. ### Calculus Inegral

integral of x/lnx
8. ### Calculus

What would the derivative of c(x) = (10 - x) + 1.4*sqrt((x^2) + 25)
9. ### Calculus

Given f''(x)= -4sin(2x) and f'(0)=4 and f(0) =-6. Find f(pi/2)
10. ### Calculus

Find limit as x->-3 of (sin(4x+12))/(5x+15)
11. ### Calculus

lim x to 1 of (sin(1-cosx))/x
12. ### Calculus

integrate (pi/6 & 0) (1-cos3t)(sin3t)dt
13. ### Calculus

integrate (pi&0) sin t/(2-cost) dt
14. ### Calculus

Let h(x) = 5g(x) - 3x^2 + 2 sin(x) - 7x, and suppose g'(0) = 2, find h'(0)
15. ### Calculus Help

find y'' by implicit differentiation. 2x^3 + 3y^3 = 8
16. ### calculus

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

If y = y(x), write y’ in Leibniz notation.
18. ### calculus

find indefinite integral of (e^-x)-(1)/(e^-x+(x)^2 dx
19. ### calculus

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

find average value of f [0,10] f(x)= 3/x+1
21. ### calculus

x^4 + 2x^2 + 1 = 0 (x^2)^2 +2x^2 +1 = 0 (x^2 + 1)^2 = 0 I don't know where to go now although I know the answer is x = i, -i
22. ### Calculus

Limit as x approaches (pi/2)^- of (x-pi/2)*secx
23. ### calculus help

Find f. f'(x) = 9/(square root of (1-x^2)) , f(1/2) = 1 f(x) = ??????

integral t^2dt from x to x^2 f'(x)=?
25. ### Calculus

Why does 2ln6 - 2ln3 = ln4?
26. ### Calculus

How do you find the derivative of y=5sin(-x)
27. ### Calculus

How do you find the derivative of y=tan^2(x^4)?
28. ### Calculus

How do you find the derivative of y=sinxtan^3(x)?
29. ### Calculus

x(x^2-1)^3 using change of variable
30. ### Calculus

xe^x using integration by parts
31. ### Calculus

find the co-ordinates y=x(2-x) where the gradient is 2
32. ### Calculus-Math

Derivative of x^7/7x^3-45x+25
33. ### calculus

Verify Clairaut's theorem for u=ln(x^(2)-y^(2)).
34. ### calculus

How to solve by completing the square? 1. 4(c+3)^2=1/4 2. (2p-5)^2=1/4 3. 2w^2-3w-3=0
35. ### Calculus

If (x+2y)dy/dx=2x-y, what is the value of d^2y/dx^2 at the point (3,0)? A. -10/3 B. 0 C. 2 D. 10/3 E. Undefined
36. ### Calculus

Find the derivative of the function. h(x)=(x^10-1)^3 h'(x)=
37. ### calculus

The linear approximation at x = 0 to f(x) = \sqrt { 5 + 4 x } is y =
38. ### calculus

The linear approximation at x = 0 to f(x) = \sin (5 x) is y =
39. ### Calculus

what is x and cosh ln(x) when tanh(lnx^(1/2)= 12/13
40. ### calculus

find the derivative of the function y=(2x+1)^3(4x+1)^-4
41. ### calculus

find the derivative of the function y=(4x+3)^5(5x+2)^-4
42. ### calculus

find the derivative of the function y=(3x+4)^5(4x+1)^-2
43. ### Calculus

4) On the integral from 1 to 2 ∫(4x^2+4)/x^2dx =?
44. ### Calculus

Find limit as x approaches 5 (x^2-3x-10)/(x-5)
45. ### 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
46. ### calculus

If sec x = -3, 0 < x < pi, find cot x.
47. ### Calculus

Find critical points for y'=2/3x^3-4x
48. ### Calculus

I don't get how you get this part: f' = (1-x)/(1+x)^3 f" = [(-1)(x+1)^3 - 3(1-x)(x+1)^2]/(x+1)^6 = [-(x+1)+3(x-1)]/(x+1)^4 ( I don't understand how you got this!!) = (-x-1+3x-3)/(x+1)^4 = (2x-4)/(x+1)^4
49. ### Calculus

Solve the differential equation f"(x)=x^2, f'(0)=3, f(0)=-1
50. ### calculus

integral sqrt(1-x^2) . sin^-1 x dx
51. ### Calculus

Integration with substitution The integral of f'(g(5x))g'(5x)dx
52. ### Calculus

The integral of sin(7x)cos(7x)dx
53. ### Calculus

would the derivative of f(x)=(7^x)(x^7) be f'(x)=(7^x ln7) (7x^6)?
54. ### Calculus

Evaluate: the integral from pi/8 to pi/6 csc2xcot2xdx
55. ### calculus

If u=(0,2,3) and v=(1,3,-1) find the projection of u onto v a) 1/3 u b) 3/11 v-> -> c) (1,1,-1) d) (1/3, 1, -1/3)
56. ### Calculus check

y=-1/sqrt(x^2+1) , then dy/dx= A. x/(x^2+1)^1/2 B. x/(x^2+1)^1/2 C. -x/(x^2+1)^1/2 D. -x/(x^2+1)^3/2 E. x/(x^2+1) I got B.
57. ### calculus

cos2x=secx find x

59. ### Calculus

Evaluate dy/dt for 2xy-2x+2y^3=-10 with the conditions dx/dt=-4 x=2 y=-1 dy/dt=?
60. ### calculus(urgent pls)

Integral of 1/[x^2(1+x^2)]
61. ### Calculus

f(x)=xe^-x^2. What interval is this function increasing.
62. ### Calculus

How do the constants 5, 4, and 12 in f(x) = 5x^2 - 4x + 12, affect the derivative? Thanks!
63. ### Calculus AB

Find the limit as x->infinity of ((3x+2)/(3x+4))^(3x+1)
64. ### calculus

what is the range for the function j(x)=5+sqrt of 2-x
65. ### Calculus

Differentiate each function with respect to x: F(x)=x/(x+1)^1/2
66. ### Calculus 1

Differentiate. f(x)=5sqrt(x)sinx
67. ### Calculus

What does it mean when the limit of f(c) doesn't exist?
68. ### Calculus 1

Find the derivative of the function. y=(e^3u -e^-3u)/(e^3u+e^-3u)
69. ### differential calculus

differentiate g(t)=3/sqrt(t)
70. ### Multivariable calculus

Find dy/dx x=te^t y=t+sint
71. ### calculus

If f(x) = 5ex cos x, find f '(x) and f ''(x).
72. ### Calculus

Calculate the approximation. L4, f(x)=cos^2 x , [pi/6, pi/2]
73. ### Calculus

Find c so y=4x+3 is tangent to the curve y=x^2+c
74. ### Math 142 (calculus)

Determine d^2y/dx^2 for y=(5x^5+7)^4
75. ### Calculus

Find the limit as x->infinity of (1+8/x)^x
76. ### Calculus

Evaluate the integral. cot3(4x) dx
77. ### Calculus

Calculate integral [0, infinity) xe^(-x) dx
78. ### Calculus

Given dy/dt=4y and y(2)=400. Find y(7).
79. ### Calculus

Find the derivative of f(x)=(2x)^(1/2)ln(15x)
80. ### calculus

Find the critical numbers x1 and x2 of y=(9x^2+3)/4x.
81. ### Calculus pz help urgently

Integrate:sinxcos(x-1/4.pi)dx
82. ### Calculus

How do you use u-substitution with 20sin(x^2/35)?
83. ### Calculus

Find the implicit differentiation for each. 1) x^2 = (x-y) / (x+y) 2) (x+y)^3 + (x-y)^3 = x^4 + y^4
84. ### Calculus Plz Help

If f(x)=x^4, compute f(-2) and f'(-2) f(-2)=___ <--- ?
85. ### High school calculus

Calculate y when dy/dx = 1/(bx+5)^3
86. ### calculus

area between the curves y^2=4x , 7y=2x+20 , 2x+3y=0
87. ### Calculus (easy)

What is the polar form of (-2-2i)?
88. ### Calculus

Need help with a few questions
89. ### Calculus

solve the equation y'=(sqrt(x))/2y
90. ### Calculus

when x intercept -3, point P(2,5,7) and Q(1,10,14) how to find x,y and z?
91. ### Calculus

lim (x--> infinidy) x^2/ln(x)= -1 0 1 e does not exist
92. ### Calculus

Find F'(x) for F(x)= integral[from 1 to x] of cos(t^3)dt
93. ### Calculus

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

Differentiate with respect to x 1/sin x
95. ### Calculus 1

Find the limit. lim x->0 (e^(6/x)+8x)^(x/2)
96. ### calculus

Find lim as (x,y) goes to (0,0) of (e^(-x^2-y^2)-1)/(x^2+y^2).
97. ### calculus

find the inverse of the matrix. [ 16 1 ] 1 16
98. ### Integrals calculus

7/x^2-8 does it give you 7ln(x^2-8)
99. ### calculus

Locate the discontinuities of the function y=(5)/(3+e^(1/x))
100. ### calculus

lim f(x)=? x->3- f(x); -3.7, -3.97, -3.997, -3.9997, ?