# Pre- Calculus

21,880 results, page 56

1. ### Calculus

If f(t)=(t^2+6t+2)(3t^2+3) then f'(t)=_____? and f'(3)=______?
2. ### calculus

Find the integral of: dx/(x^2-4x)
3. ### Calculus

How do you simplify vectors? 1)AB + BC + CD 2) BC - FE - BA + DE - DC

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

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

Let P(x,y)=5x^3y+8xy^3. Then Px(-1,1) is? And Pxy(-1,1) is?
7. ### calculus

what is the derivative of: V(t) = 130sin5t + 18
8. ### Calculus

what is the derivative of: y=2sinxcosx
9. ### Calculus

Find the derivative of y = (ln(3x))^4
10. ### calculus

what are the steps to solve for x 2x^2-1/x^2=0
11. ### calculus

how do you take a limit of [ln(1+e^n)]/2n as n goes to infinity?
12. ### Calculus

Suppose that f(x+h)-f(x) =-4 h x^2 - 1 h x + 4 h^2 x + 3 h^2 -3 h^3. Find: f^1(x)
13. ### CALCULUS

Find d/dx of the antiderivative from x^4 to 5 of the (9-t^2)^1/2
14. ### Calculus

find the angle between u=7i+2j and v=-4j
15. ### calculus

what's the derivative of cos3x
16. ### calculus

dy/dx in terms of x and y if x^4+y^2=sqrt(15)
17. ### Calculus

How to find x-intercepts from x(x-2)(x+2)?
18. ### calculus

Find the first derivative for, (e^(x)+ e^(-x))^2
19. ### Calculus

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

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

∫(integral) from 3 to 6 of [(x^3 + 5)/x] dx =?
22. ### calculus

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

integral[1,e^9]dx/x(lnx)^1/2
24. ### calculus

tan 30=a/ 9 inches
25. ### Calculus

integral 3e^(3x)sin(e^3x)dx
26. ### elements of calculus

if d^2y/dx^2= x/x^2 +1, find d^4y/dx^4
27. ### Calculus

Find derivative of (x+1)/(x^2+1)^(1/2)

X=D(p)=400-p
29. ### calculus

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

d/dx of ln(t)/t i believe the answer is 1-ln(t)/(t)^2 but i just want to make sure.

32. ### calculus

lim (9x^4+2x+1)^1/2/(3x^2+1) as x->-infinity
33. ### Calculus

find f'(x) f(x)=x^5lnx
34. ### math calculus

Please explain how it is (ln 4) ¡Ò^8 2 x^-1 dx= (ln 8) ¨C (ln 2) =(ln 4)
35. ### Calculus

find f'(x) f(x)=(3x^2-4)^5 / √2x-1
36. ### Calculus

given y=sec(x^2)ln(2x^5) find dy/dx
37. ### calculus

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

how to make (x-3)^(2n)/4^(n) converge
39. ### Calculus

Find f'(x) when f(x)=sin(1/x^3)

X=D(p)=400-p
41. ### calculus

Evaluate the integral of xe^2x(dx) A. (1/6)(x^2)(e^3x)+C B. (1/2)(xe^2x)-(1/2)(e^2x)+C C. (1/2)(xe^2x)-(1/4)(e^2x)+C D. (1/2)(x^2)-(1/8)(e^4x)+C
42. ### calculus

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

integral from 0 to infinity of 1/(pi^2+x^2)^(3/2)dx
44. ### Calculus 2

integral from 1 to infinity 4/(x^2)(x^2+1)dx
45. ### calculus

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

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

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

Let f(x)=4cos^5x. Find f'(x)
49. ### 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)
50. ### calculus

is (x)/(x^2-9) an even or an odd function?
51. ### CALCULUS

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

find the derivative of y= (1-x/7)^-7
53. ### CALCULUS

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

Can I simplify (x^.75)((200-3x)^.5)?
55. ### Calculus help plz

Integrate:(K+1/k^2+4k+8)dx
56. ### calculus

difinite integral f(x)=4-x from x=0 to x=4
57. ### CALCULUS

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

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

If X = 15, Y = 20, and Z = 25, what is the sine of angle B?
60. ### CALCULUS

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

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

The volume of a solid
63. ### Calculus

find f'(x) f(x)= sin(3x)/2x^2-4
64. ### calculus

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

Evaluate the integral: ç[(6x+7)/(x^(2)-8x+25),x]
66. ### Calculus

lim x--> 2+ (tan(pi/x))
67. ### calculus

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

what is the differential of (217)^1/2
69. ### Calculus

Given f"(x)=-25sin(5x)and f'(0)=0 and f(0)=4. Find f(pi/2)
70. ### Calculus 2

the integral from 0 to 1/4 of arcsin(x^(1/2))dx.
71. ### calculus

find the derivative of 9^8^x^2
72. ### Calculus

Dy/dx of e^4square root of x
73. ### calculus

evaluate the integral: (x^3)/((x^2)+1)
74. ### calculus

Evaluate the integral ((6x+7)/(x^(2)-8x+25))dx. Please and thank you.
75. ### calculus

If (a,-12)is a point on the graph of y=x^2+7, what is a?
76. ### calculus

limit as x approaches 1 x^2-4/x-1
77. ### calculus

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

find the derivative of g(y)= (y^2/(y+3))^3
79. ### calculus

If f(3) =4 g(3)=2 f'(3)=6 and g'(3)=5 find the following number (f+g)' (3)
80. ### Calculus

For f(x)= (x+3)^2/(4x-5) find all x such that f(x) increases.
81. ### calculus

Evaluate lim as x-> 1 (x^2 + |x -1| - 1 ) / ( |x-1| )
82. ### calculus

Given F(x) = ax+3, x>5 8 , x=5 x^2 + bx + a, x<5 Find a and b so that f(x) is continuous everywhere.
83. ### calculus

if f(x)=25-x^2 and g(x)=5-x, what is the rule for the function (f-g)(x)?
84. ### Calculus

Dy/dx of e^4square root of x
85. ### Calculus

need answer to find dy/dx y=e^2x+3*e^x-1
86. ### Calculus

Let f(x) be defined by f(x) = x/(x - 4). What is the image of f?
87. ### calculus

Differentiate. sqrt((6x^2 + 5x + 1)^3)
88. ### Calculus

Find the derivative of y = 4^2x.
89. ### calculus

Find the derivative of y=(7x^(1/3))/(x^2+9)
90. ### calculus

differentiate and do not simplify: Y=e^ -sq.rt x + e^3 - 2^(3x-1)
91. ### Calculus

I'm trying to find out what the graph of: y= |x+1| + |x+2| looks like. could someone help me out?
92. ### calculus

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

Derivative of (Sec(z))^2
94. ### Calculus

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

derivative of (4Cos^2(3x)+3)^2
96. ### calculus

Differentiate. sqrt((6x^2 + 5x + 1)^3)
97. ### Calculus

derivative of cot(6/x)
98. ### Calculus

Find lim [f(x+h)-f(x)]/h h->0 f(x) = 2 - 5x + x^2
99. ### calculus

Calculate R8 for f(x)=8−x over [3,5]. R8=
100. ### calculus

Calculate R8 for f(x)=8−x over [3,5]. R8=