# Pre- Calculus

21,892 results, page 51
1. ## Calculus

lim--h>0 f(x+h)- f(x/h
2. ## Calculus

Let f(x)=(lnx)^4 f'(x)=4(ln(x))^3/x what is f'(e^2)=?
3. ## Calculus

f(x)= 5ln(x)/x^7

cos(xy)+y=2
5. ## Math calculus

(2) (-1) (3)+(4)
6. ## Calculus

F(x)=5e^x - 10 / 24e^x + 12 f^(-1)(x)=? a=? b=?
7. ## Calculus

solve the following: 2^-x=3^2x+2
8. ## calculus

h(t) = -1/3t^3 + 4t^2 + 20t +2, f or >- 2
9. ## Derivatives ~ Calculus

If dy/dx = (1 + x)/(xy), x>0, and y=-4 when x=1, then when x=3, y= what?
10. ## Calculus I

If x^2+y^2=25, find dy/dt when x=3 and dx/dt= -8.
11. ## calculus

int x^2/(x-2)(x^2+1)dx
12. ## calculus

lim x^4-1/x-1 x->1-
13. ## Calculus

¡ìdx/(x^2-1)^2
14. ## calculus

How do you do differntials?
15. ## Calculus

If g(x) = integral from 0 to x^2 of √(t^3+2) then g'(2) = ?
16. ## Calculus

find f'(x)= f(x)=∫[1,x] t^t dt
17. ## calculus

Solve for x: r(x)=ln (x+2/x-1)
18. ## calculus

how do you integrate x^2/(9+x^6)
19. ## calculus

how do you integrate x^2/(9+x^6)
20. ## Calculus :)

find y'(x) if x^y=y^x
21. ## Calculus

If xy=4 and dy/dy=3 then find dx/dt when x=4?
22. ## Calculus

How do you integrate: 1/(x^2-1) dx ?
23. ## calculus

Given f ''(x)=6x–4 and f '(0)=1 and f(0)=5 find f '(x) and f (1)
24. ## Calculus

What is the lim(x-3/x^3-27) x->3
25. ## calculus

int 7/(2x-5)dx =
26. ## Calculus

find (d^2y)/(dx^2) if 5x^2-8y^2=8
27. ## Calculus 1

Find y' if y=ln(9x^2+7y^2).
28. ## Calculus

integral (4x^2-3x+2)/(4x^2-4x+3) dx
29. ## Calculus

lim([-1/(x+2)]+1/2)/x as x->0
30. ## Calculus

If f(2) = 2.5 and f'(2) = -2.5, then f(2.5) is approximately: A. 2.5 B. -2.5 C. -2 D. 2 E. 1.25
31. ## Calculus

If f(x) = 2xsqrt(x-6), what is the value of (f^-1)(40)?
32. ## Calculus

I need to integrate ((e^-x)^2 - (-ex)^2)dx Can someone help?
33. ## calculus

int_(1)^(2) 6/t^4 dt
34. ## Calculus

lim x^2+2x-8/x^2-4 x->2
35. ## calculus

Evaluate ¡Ò(1+xe^x)/x dx
36. ## Calculus

Find f'(a). f(x)=(x^2+1)/(x-2) Is it (x^2-5x+2)/(x-2)^2 ?
37. ## calculus

domain of -9/2+t^2 and 1-4t/2+t
38. ## Maths

What is calculus ?
39. ## calculus

Find f'x given f(x)= 1/(1+(1/(1+(1/x))))
40. ## Calculus

If x^3 = 1 and x does not equal 1, x(x+1)= ?
41. ## calculus

with respect to x;4^2.dx
42. ## Calculus

How do you solve it?
43. ## Calculus

What's the derivative of (x-1)(x-7)^3+10?
44. ## Calculus

f(x)= x^3; f(x)= (x+DELTAx)-f(x)/ x^3
45. ## calculus

is dy/dx=5/x+y separable? If so, how? Thank You.
46. ## Calculus

lim e^(1+h)-e/h h->0
47. ## Calculus

If a, b, and c are digits for which 7 a 2 -4 8 b =========

factor 7x+42
49. ## Calculus

what is the derivative of y=ã(3x)
50. ## calculus

Derivative of: h(x) = e^3x+2/e^3x-2 thanks
51. ## CALCULUS

if F(x) = f(xf(xf(x))),where f(1) = 4, f(4) = 6, f '(1) = 4, f '(4) = 5,and f '(6) = 6,find F '(1).
52. ## calculus

Solve for x: 2x=ex+1
53. ## Calculus

x^2-5/x lim x=0^+
54. ## calculus

what is derivative of (1-2x)^-1? is it -1/(1-2x)^2 ?
55. ## calculus

what is the value of y in the equation (y/(2y-x))=0.5
56. ## Calculus

Minimize S=x+2y with xy=2 and both x and y > 0
57. ## calculus

estimate ln(e^2+0.1)-ln(e^2)
58. ## Calculus

lim (2e^(x-5))-2 --------------- x-4 x->5
59. ## calculus

9e^6ln(A)= A^( )
60. ## Calculus

8-3i divided by -4-6i=
61. ## Calculus

If a, b, and c are digits for which 7 a 2 -4 8 b =========
62. ## Calculus

integrate: (x^2 + 1)^k dx
63. ## calculus

what are the domains of y=ln(x^2-4x)
64. ## CALCULUS

Differentiate: P(t)=50(2)^(t/2)
65. ## calculus

What is the antiderivative of. 3X/x^2?
66. ## calculus

given f(x)=3x-5 , evaluate each of the following f(4) F(x+2) f(-x)
67. ## Calculus

What is the difference between f'(x), y', and dy/dx?
68. ## Calculus

What is the derivative of e^cx ?
69. ## Calculus

The derivative of f of x f(x) = x^3 + 19 ; x = 8
70. ## Calculus

integral(8&4) y dy/(y^2-2y-3)
71. ## calculus help

Integrate:(3x^5-5)^-3 dx thanks
72. ## Calculus

What is the integral of [(2x-y)^2]dx?
73. ## Calculus

tan^-1 (x^2 y) = x+xy^2
74. ## Calculus

Evaluate ∫√(x^3+1)dx
75. ## Calculus

What is the integral of [(2x-y)^3]dx?
76. ## calculus

ax+b/cx+d=2 solve for x

78. ## Calculus

Derivative of: (t^7+t^8-1)/t^9
79. ## calculus

2P=Pe^(0.16t)
80. ## calculus

h(r)=1-r^2/2-r^3 find h'(1)
81. ## Calculus

If y=sqrt (x^2+16), then d^2y/dx^2= A. 1 / (4(x^2+16)^3/2) B. 4(3x^2+16) C. x / ((x^2+16)^1/2) D. (2x^2+16) / ((x^2+16)^3/2) E. 16 / ((x^2+16)^3/2)
82. ## calculus

differentiate y = ln(e^x + e^-x)
83. ## calculus

integrate the following (3y-7x-3)dx+(7y-3x-7)dy=0
84. ## calculus

Find dy/dx. y = x^ln x, x > 0
85. ## calculus

Integrate: dx/(2x^2 + 4x + 7)
86. ## Calculus

If y=sqrt (x^2+16), then d^2y/dx^2=?
87. ## calculus

derivatives. f(x)=(1/-7x^12) f'(2)=? f'(-1)=?
88. ## calculus

intergrate 2x-14/4x^2-2x-3
89. ## calculus

∫ t ln(t-2)dt
90. ## calculus

If w = <-8, 15>, find ||w||.
91. ## Calculus

lim x---> -3 (x-5)/(x+3)
92. ## calculus

x-3 over 8 equals 28 over 32
93. ## Calculus

intergrate 3x-4/x^2-4x+4
94. ## Calculus

integrate x^2+4x+12/(x-2)(x^2+4)
95. ## Calculus

The domain of e^(-x^2-3x+1/2)
96. ## calculus

f(x)=5x-4 if 0<x<=1 ,f(x)=4x^2-3X if 1<x<2.So that f(x)is continuous at x=1
97. ## calculus

FIND dx/dy for y = x^(2x+1)
98. ## Calculus

Integrate ç (x^3)/ã((x^2)+4) dx
99. ## Calculus

Given that f(x)=x^6h(x) h(-1)=3 h'(-1)=6 Calculate f'(-1).
100. ## Calculus

Let xy=1 and dy/dt=1 Find dx/dt when x=5