# Pre- Calculus

21,824 results, page 64

2. ### calculus

limit of sin x / 2x squared - x as x approaches 0
3. ### Calculus

Evaluate the integral from 2/sqrt2 to 4; 1/(t^3 sqrt(t^2-4))?
4. ### calculus

Find a value for k so that 2x^2 + kx + 1 has no real roots.
5. ### calculus

f (4 + h) - f (4) = 4h^2 + 4h (a) What is f '(4)? (b) What is the slope of the secant line through (4, f (4)) and (7, f (7))?
6. ### calculus

find the arc length from (x1,y2) to (x2,y2) on the graph F(x)=mx+b
7. ### calculus

Fond the limit of lim x -> 3 [1/(x+4)] - (1/4) _________________ x
8. ### Calculus

If the function f is defined by f(x)=x^2-2x, find limit h->0 (f(3+h)-(f(3-h))/2h
9. ### CALCULUS

Let f(x)=x 2-x-12 (3) What power function approximates f(x)for large x?
10. ### Calculus

What is the limit, as x goes to 0, of [sinx(1-cosx)]/(2x^2)?
11. ### calculus

what is the quotient of the sum and difference of 370 and 25
12. ### Calculus

Does the limit exist for (x^2-1)/(abs(x-1)) as x goes to 1?
13. ### calculus

how do you solve Lim sqrt((x+1)/(4(x-1)) x-infinity
14. ### calculus

find d/dx [cot(sec^3(cos(3x^2-5x+3)))]
15. ### Math-Calculus

If f(x)=5ex+4xe find f'(x) .
16. ### calculus

if f(x)=ln(x^3 +1) find f'(3), correct to 2 decimal places
17. ### calculus

if f(x)=ln(x^3 +1) find f '(3), correct to 2 decimal places
18. ### Calculus

How to simplify for ln(3+e^8)?? I thought It could be ln3+8. But it was wrong. Help me!
19. ### calculus

Find d2y/dx2 in terms of x and y. y5 = x6
20. ### Calculus

Find the derivative of f(x) = ln(48e3x − 11)
21. ### Calculus

Find the derivative of f(x) = ln(48e^3x − 11)
22. ### calculus

how do i differentiate √secx+tanx ??
23. ### calculus

xe^(4x) List all the critical numbers:
24. ### calculus

how do you do price elasticity when you have the equation p^3 x^3=9. and x=2
25. ### calculus

Find all critical numbers: x^(1/3)-x^(-2/3)?
26. ### Calculus B

Prove: lim as x goes to 0+ of x^(sinx)=1
27. ### Calculus 1

Calculate f'(-1) f(x) = x^7 * h(x) h(-1) = 5 h'(-1) = 8 Answer is 27, but I got no idea how to get there.
28. ### Calculus

Find the solutions of the exponential equation e^(2x)-5e^(x)+6=0
29. ### calculus

find the sum ∑(n/(n+1)!) from n=1 to infinity
30. ### Calculus - integration

Q. ¡ò(15^x/3^x) dx i know that the ¡ò(a^x) dx = a^x/lna +c but i don't know how to solve this question. thank you
31. ### calculus

If y varies inversely as the square of x, and y=0.5 when x=1, find y when x=9
32. ### calculus

Find all critical numbers: (x^2+12)(9-x^2)?
33. ### calculus

solve (12/t)+t-8=0 (solving rational equations)
34. ### Calculus I

Consider the function f(x)=((2)/(x^2))-((3)/(x^5)). Let F(x) be the antiderivative of f(x) with F(1) = 0. Find F(3).
35. ### calculus

find maclaurin series. f(x)=tanx
36. ### calculus

find maclaurin series. f(x)=log^a(1+x)
37. ### calculus

if f(x)=Inx, find: f(2)+f(3) solution pls
38. ### calculus

find the first derivative of y=cos(/9t+11
39. ### calculus

Evaluate. int_(pi)^(pi) (sin(x))^(3) (cos(x))^(3) dx
40. ### Calculus 1

Find dy/dx by implicit differentiation. X^2 + y^2 = tan(xy)
41. ### Calculus

6x-3y=4 find dy/dx using differentiating implicity
42. ### calculus

what is the area of the region bounded by the curves y=x^2 , y=8-x^2 , 4x-y+12=0
43. ### bus. calculus

: intervals of increase and decrease for f(x)=(x-3)(x^2-6x-3)
44. ### Calculus 1

Find the critical numbers of the function. f(x) = x^4*e^-8x
45. ### calculus

What is the limit as x approaches infinity of radical (9x*2+x)-3x?
46. ### AP Calculus AB

The sum of x and y is 8. What is the maximum value of xy-x^2? Please help!
47. ### calculus

sin y = x^2 = y in an open interval 0¡Ü x ¡Ü 2¦Ð find dy/dx
48. ### calculus - Integration

Evaluate ∫ [(5+x)^2]/√x
49. ### calculus ap

what is the slope of a line tangent to y=sin^2(5x+pi) at x=pi/4?
50. ### calculus

find the derivatives 1. y=sin^3(2x)(cos2x)
51. ### calculus

find the derivatives 1. y=sin^3(2x)(cos2x)
52. ### calculus

derivatives: 2. cos teta/ 1+sin^2
53. ### Calculus

Solve the inequalities a)6x3+5x2<8x+3
54. ### Calculus

find the limit of lim 7= as x approaches 8
55. ### Calculus

Let h be the function defined by the equation below. h(x)= x^3-x^2+x+6 h(-8)
56. ### Calculus

what is the slope of the tangent to the graph of f(x)= ln [cos(x)] at x= pi/6 ???
57. ### AP Calculus

Determine the critical numbers for y=sq root of (x^2 - 2x -15)
58. ### Calculus

Find the values of x for which each function is continous: f(x) = x^3 -2x^2+x -1
59. ### Calculus

find the derivative of the function. f(x) = − 1/7(x^-7-x^14)
60. ### Calculus

Find the slope of the normal line to y= ln(15-x) at x=4
61. ### Calculus

Find the slope of the normal line to y= ln(15-x) at x=4
62. ### Calculus

find the derivative of g(a)=sin(arcsin(9a))
63. ### calculus

y = log7(x^2 - 6x - 2) this is base seven is the answer 2x-6/(x^2-6x-2)
64. ### calculus

Are y=log(x+1) and y=10^x-1 symmetric about the line y = x ?
65. ### Calculus

find the derivative of 4x(lnx+ln9)-9x+e
66. ### calculus

let f(x)=sqrt x+4. Calculate the difference quotient f(5+h)-f(5)/h for h=.1 h=.01 h=-.01 h=-.1

68. ### Calculus

Prove that (2,0) is the closest point on the curve x^2 + y^2 = 4 on (4,0.
69. ### Calculus AB

Sorry I know this should be easy, but what is the integral of U/du?
70. ### calculus

The antiderivative of arctan(4t)dt by integration of parts.
71. ### Calculus B

The antiderivative of ln(2x+1) using integration by parts.
72. ### calculus

If x=sit t nad y=cos 2t prove that d^2y/dx^2+4=0
73. ### Calculus

Find the derivative of (b/(a+z^2))^2 Assuming that a and b are constants...
74. ### Calculus

if x=e^t and y=(t-3)^2 , find an equation y=mx+b of the tangent to the curve at (1,9).
75. ### calculus

Write an equation of the line tangent to y=(9-x^2)^2/3 at x=1
76. ### Calculus

Find dy/dx in terms of x and y if xlny+y^6= (9)lnx
77. ### Calculus

Find the slope of the tangent to the curve y^2=x^3/(xy+6) at (6,3)
78. ### Calculus

Find dy/dx in terms of x and y if xlny+y^6= (9)lnx
79. ### calculus

how do you separate these variables dy/dx=4sqrt(y)lnx/x, y(e)=9

81. ### calculus

how do you differentiate problems where the x and y are to the power of a fraction?
82. ### calculus

sum (n*2^n)/(2^n +3^n) [n to infinity] conv or div ? and how to get that? thank you!
83. ### Calculus

Find the inflection point(s), if any, of the function. g(x)= 4x(^3)-4x
84. ### Calculus

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

What is the limit as t approaches 0 for (sint)/(1+cost)?
86. ### calculus

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

find the point on the line 6x+7y-5=0 closest to (2,2)
88. ### Math- Calculus

Let f be a function such that f(-1)=3 and f'(-1)=6 let h(x)=x^5f(x) evaluate h'(x) at x=-1
89. ### calculus

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

Find the coordinates of the vertex of the graph of f(x)=2x^2+10-1
91. ### Calculus

How would you solve this differential equation? dy/dx=1/2x+y-1
92. ### calculus

Evaulate ∫5sinx+cos(5x)dx
93. ### calculus

Evaluate the indefinite integral: y^3*sqrt(y + 5) dy.
94. ### calculus

Decompose 58-x/x^2-6x-16 into partial fractions.
95. ### Calculus

Let f(x)=2x^2-x+1. Find: F(x-1) + f(x+1) I am not sure how to set up problem.
96. ### calculus

find the equation of the tangent line to y=4^((x^2)-6x+3) at x=4
97. ### calculus

What is the limit definition of f'(x) and use it to find f'(x) for f (x) 5x^2 - 2
98. ### CALCULUS

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

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

f(x)= (4x^2+5)/(3-2x) find derivative using limit