# Pre- Calculus

21,894 results, page 57
1. ## Calculus Partial Fraction

(x^2)/(x^3)(x-2)
2. ## Calculus

Solve: 20 = 10 (2^x)(ln2)
3. ## Calculus

lim y->2 (sqrt(y+2)-2)/(y-2)
4. ## Calculus

lim y->2 (sqrt(y+2)-2)/(y-2)
5. ## Calculus

Differentiate: a. y = (x + 3)(x^2 −5x +1) b. y = x^2e^x
6. ## calculus

(3x-4)^5 x(sqaure root)9x^2+4
7. ## Calculus

Differentiate. g(x) = 5e^x√x
8. ## calculus

Calculate dy/dt using the given information. xy + x = 12; dx/dt = -3, x = 2, y = 5?
9. ## calculus

Calculate dy/dt using the given information. (x+y)/(x-y)= x^2 + y^2; dx/dt = 12, x = 1, y = 0?
10. ## Calculus

Differentiate. cos^-1 2x
11. ## calculus

how would you differentiate this equation?? dy/dx + e^(x+y) = 0
12. ## Calculus

Let x^3 + y^3 = 28. Find f''(x) at the point (3,1). Thank you very much for your help.
13. ## calculus

simplify aab-3/Ba^2b-2
14. ## calculus

If f is the antiderivative of g(x)=(x^3)/(1+x^5) such that f(1)=0, then f(5)=___.
15. ## calculus

lim x-> 0 if tan x - x / x^2
16. ## calculus

lim tan x - x/ x -> 0 x^2
17. ## Calculus help plz

Integrate:(K+1/k^2+4k+8)dx

19. ## Calculus

evaluate ¡Ò (Ln rad(x)) /x dx=
20. ## calculus

f(x)={4x+5 if x<3 17 if x=3 2^x+4 if x>3 determine if f is continuous at x=3
21. ## Calculus?

how do you expand Ln abs(ã7 x^3+2x^2)
22. ## Calculus

Integrate tan^6(x)
23. ## calculus

find the domain of f(x)=5/¡Ì(x2-4)
24. ## calculus

Calculate dy/dt using the given information. (x+y)/(x-y)= x^2 + y^2; dx/dt = 12, x = 1, y = 0
25. ## Calculus

Lim (tan^2(x)/x) x->0
26. ## Calculus 2

Find the derivative of ln(x+(x^2-1)^(1/2)).
27. ## Calculus help!

Does the limit of xy/(x^2 + y^2) exist as (x,y)--->(0,0)? Why or why not??
28. ## Calculus

(c) find the integral of e^x/ e^3x + e^x dx
29. ## calculus

Given the surface: z^2=x^2+xy^2z. Find dz/dx
30. ## Calculus

Find f'(x) when f(x)=sin(1/x^3)
31. ## calculus i need help also

If y=2x^2-21x^2+60x+6 what is the value of x? dx^2/dy^2=0
32. ## Calculus

Find f'(x) if f(x) = ln((8x+4)/(9x-7))^(1/2) Thank you very much for your time.
33. ## calculus

What is the equation of the ellipse with e=3/4
34. ## Calculus

Find dy/dx y=e^(4xtan2x)
35. ## Calculus

The volume of a solid
36. ## Calculus

Find the derivative of y = 4^2x.
37. ## CALCULUS

difinite integral f(x)=8-4ã-3:(X) from x=0 to x=8
38. ## CALCULUS

difinite integral f(x)=2e^x from x=0 to x=ln 3
39. ## CALCULUS

difinite integral f(x)=(x^99+x^9+1)dx from x=0 to x=1
40. ## CALCULUS

difinite integral f(x)=dx/x from x=1 to x=e
41. ## calculus

find the derivative of f(x)=2-x^2, a=2
42. ## calculus

lim x->16 4- sqrt(x) / x-16
43. ## calculus

lim x->16 4- sqrt(x) / x-16
44. ## calculus

given the function f(x) = { x^2+2 if X<=2, 3 if x=2 and 4-x if x>= 2 -> graph f(x)
45. ## math/calculus

Find f’’(x) if f(x)=(6^x^2+3)
46. ## Calculus

What how do you compute the sum of 1/2 + 1/4 + 1/8 + 1/16 + 1/32 +++ 1/2N ? ..

48. ## calculus

difinite integral f(x)=4-x from x=0 to x=4
49. ## Calculus

e^(1+2lnx) ----------- x^2 simplify

I don't know how to do this, so I can't graph it. f(x)= 1/x-4 Thank you for the help.
51. ## calculus

If f''(x)=-4sin2x, f(0)=0 and f'(0)=2, find the value of f(pi/4).
52. ## calculus

find the tangent to y=27/(x^2+2) at (1,9)
53. ## Calculus

What is total volume for 36" X 2" X 2"
54. ## calculus

suppose that f(x) = x^3 x<=1 ax+b x>1 is differentiable at x=1 then a=?, b=?
55. ## Calculus- math

integral of (2x) / [(x+2)(x+1)]
56. ## Calculus

lim x->0 (sinx)^x
57. ## calculus

what is the integral of (e^x)/(sqrt(9(e^2x))-25)?
58. ## Calculus

explain why f(x)=(1)/(x^2-9) is discontinoues at x=-3
59. ## calculus

limit as x approaches 1 x^2-4/x-1
60. ## Calculus

What is limit as x approaches 0 of x*(2^x)/((2^x)-1))
61. ## Calculus

For what value of a is f(x)=(x^2)-a x<3 f(x)=2ax x(> or =)3 continuous at every x?
62. ## math/calculus

Find f’’(x) if f(x)=(6^x^2+3)
63. ## math/calculus

Find f’’(x) if f(x)=(6^x^2+3)
64. ## math-calculus

|2x-3|-|2x+5| = 0 i please need helps with this.
65. ## calculus

Find the second derivative of: h(t)= (t^2 + 5)^8
66. ## calculus

Let be a function that satisfies
67. ## Calculus

I'm not sure how to solve the equation 5^x-12*(5^-x)-1=0
68. ## Calculus

Let Q(x)= f(f(x)−g(x)). Find Q'(x).
69. ## Calculus 1

differentiate f(x)=(1+sinˆ2x)ˆ6
70. ## Calculus

Determine the value of k so that u=[2,5] and v=[k,4] are perpendicular.
71. ## Calculus

Can someone please tell me how to derive V=4/3pi(r)^3 to get x^2+y^2=r^2?
72. ## calculus

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

differentiate: g(t)=tˆ3cos(t)
74. ## math-calculus

|2x-3|-|2x+5| = 0 i please need helps with this.
75. ## 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
76. ## Calculus

lim[x:81,(x/(1+sqrtx) - 81/10) / (x-81)]
77. ## CALCULUS

Find the derivative : g(t)=t/(t+1)
78. ## calculus

7cosx+5sinx=2k+1 6 35 3 14
79. ## 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
80. ## Calculus

How do I evaluate 2x∫1 3t(t^2 + 1)^2 dt?
81. ## HELP HELP CALCULUS

y=e^(5e^x) differentiate first and second derivative
82. ## Calculus

What how do you compute the sum of 1/2 + 1/4 + 1/8 + 1/16 + 1/32 +++ 1/2N ?
83. ## Calculus

What is the derivative of 7e^(3sin^(4x+5))?
84. ## Calculus

What is the derivative of 2^(5x)tan(x^2)
85. ## calculus

Anti-Derivatives 2x^6-x^3/x^2
86. ## Calculus

What is the derivative of sin(3x+1)^4?
87. ## Calculus

Given vectors u= (3, -4, 1) and v= (2, 1, -5) Find: a) u x v b)|u x v|
88. ## calculus

integral cos(4z-5)dz
89. ## calculus

solve the equation: 6P=Pe^1.1t
90. ## calculus

the second derivative of (sqrt((2x^3)+(6x)+(8)))
91. ## calculus

given the functions: f(x) = x^2 - 1, g(x) = x/x + 2 Why is x^2 - 1/x^2 + 1 the equation of (g o f)(x)?
92. ## Calculus

y=arctan(sqrt(9x^2-1))^2 dy/dx=?
93. ## Calculus

find the derivative of: (x^2+y^2)^2=x^2-y^2
94. ## Calculus

If f(x)=6arcsin(x4), find f'(x).
95. ## Calculus

find the second derivative of f(x)=3/(x^2+12)
96. ## Calculus

Find integral of (x^3-6x-20)/(x+5) dx
97. ## calculus

find the solution: (y^(2) dx)/(1-x)=dy
98. ## Calculus

lim e^x/sin(11 x) x->0
99. ## calculus

find the derivative of s(t)=(1+e^t)ln t
100. ## calculus

find the solution: e^y=1/(y^'+1)