88,703 results, page 99

2. ### Calculus

If the normal to f(x)= (3x/(1+x)) at (2,2) cuts the axes at B and C, determine the legnth of BC.
3. ### Calculus

Find The Derivative y= 9e^(x)/ 2e^(x)+ 1 Please Show Work
4. ### Calculus

Find The Derivative y=5x^(2)e^(3x) Please Show Work
5. ### calculus

Find an equation of the tangent line to the curve at (8,0). y=ln(x^2 -8x +1)
6. ### Calculus (2)

find the first and second derivative of: f(x) = (x+2)/e^x I get to: f'(x) = e^x - (x+2)(e^x) / (e^x)^2 I'm stuck at that
7. ### calculus

Find a, such that the function f(x)=3x+rad(a-x^2) has the domain [-6,6].
8. ### Calculus

If f(x) = x ln(1+x) estimate the value of ln (2.1) given that ln2 = 0.6931.
9. ### Pre Calculus

find all solutions of the equation 1. x^3+27=0 2. x^3-8=0
10. ### Calculus

Let f(x)=x^3+3x and g(x=5x^2-x Determine the area of the region enclosed by the graphs of f and g.
11. ### calculus

find the area of the region under y=6 ln(3 x) and above y=8 for 4<x<7
12. ### calculus

Find the derivative. f(x)=ln(8-e^-x) I got -e^-x/8-e^-x but it was wrong. WHAT DID I DOOOO?!
13. ### calculus

Find the derivative. f(x)=ln(8-e^-x) I got -e^-x/8-e^-x but it was wrong. WHAT DID I DOOOO?!
14. ### calculus 1a

simplify the following expression tan(sin^-1(2x))
15. ### Calculus

what happens when the limit goes to infinity 4x-6sqrt(x)
16. ### calculus

Find the area S of the regions y= square root (x) =x/3 x=25
17. ### calculus

Find the area S of the regions y= square root (x) =x/3 x=25
18. ### Calculus

Find the total area bounded by the curves y = x^3 and y = x^5 .
19. ### Pre-Calculus(Help)

Partial Fraction of the Rational Expression: x^2+x+8/x^3+x
20. ### Math (Calculus)

Find the derivative of (ln(tan(x))/3pi
21. ### calculus

Solve the following differential equation: f"(x)=sinx, x(0)=0, x'(0)=1
22. ### calculus 2

what is the polar area between r=5sinx and r=5cosx
23. ### calculus

Find the derivative d/dx of the integral from x to a of cos(sin(t)) dt
24. ### calculus

Find an equation of the tangent line to the graph y=(x^3 + 2)^5 at x= -1
25. ### Calculus

Use the midpoint rule to approximate the integral 6x-9x^2 from 2 to 11 with n=3
26. ### Calculus

Use the midpoint rule to approximate the integral 6x-9x^2 from 2 to 11 with n=3
27. ### Calculus

Use the midpoint rule to approximate the integral 6x-9x^2 from 2 to 11 with n=3

29. ### pre calculus

how to figure out: sec squared x = 1/10
30. ### math-calculus

(4)/(x-3)+(2)/(3-x) (4)/(x-3) + (2)/(-1)(-3+x) i factor out a negative 1 from 3-x. 4/(x-3)+ 2/(x-3) 6/x-3 it suppose to be 2/x-3 how i get that?
31. ### math/calculus

find the domain and range of the function f(x)=x^2-9/4x^2+x
32. ### calculus

y =ln((x^2+1)/(x^2-1))^1/2 Find the first derivative for this ln square division.
33. ### Calculus

Find all the relative extrema of f(x) = x = x3 – 3x2 + 4.

how will you multiply y = ae^3x + be^-2x with dy/dx = 3ae^3x - 2be^-2x
35. ### Calculus

Using Descartes' Rule of Signs, solve: f(x)=x^3+x^2-x+1.
36. ### calculus

Hi i need help for calcul with a Moivre's theorem: ( 1/2 ( -1 - i√3 )) ^3 thanks for your help
37. ### calculus 2

1.Find the length of the curve y=ex+1e−x between x=0 and x=1.
38. ### calculus 2

.Find the length of the curve y=e^x+1/4 e^−x between x=0 and x=1.
39. ### calculus

from the first principles,find the deriviative of 3/x with espect to x
40. ### Calculus

Find the area bounded by y=1/x, the x-axis and the lines y=1 and x=4
41. ### calculus

volume of the solid enclosed in y=square root of x y=0 and x=16
42. ### calculus

int_(-2)^2sqrt(4-x^2)text()dx evaluate the integral
43. ### calculus

int_(-2)^2sqrt(4-x^2)text()dx evaluate the integral
44. ### calculus

an equivalent representation of the definite integral of 3 to 1 2xcos(x^2)dx is
45. ### calculus

x +13/x-16 less than or equal to solve the following inequality
46. ### Calculus

Examine the continuity of the function h(x)=[-x, if x<0 .......0, if x=0 .......x, if x>0 I don't understand this question...
47. ### calculus

The average (mean) value of (1/x) over the interval 1<= x<= e is a)1 b)(1/e) c)(1/e^2)-1 d)(1+e)/2 e) 1/(e-1)
48. ### calculus

wat is the ans of this solutions? y=sin^4x cos4x? ^
49. ### Calculus AB

I have to find the integral of (e^3lnx + e^3x)dx. Can someone help me?
50. ### calculus

I need help finding the derivative of (x^2+sinx)secx
51. ### Math/Calculus.

Suppose (x^2)*(e^(-2y))= ln(xy) Find dy/dx by implicit differentiation.
52. ### Calculus

Evaluate this limit, if it exists: lim (7-x)squared - 9 / 4-x x->4
53. ### Pre- Calculus

Evaluate the trig function tan33degress
54. ### Calculus

Evaluate the integral from [(2/square rt 2),0] of dx/sqaure root of (4-x^2)
55. ### calculus

why is that when it comes to diagonal it must be divided into 2
56. ### COLLEGE CALCULUS. HELP!

Let f(x)=(-3x^2+6)^4(9x^2+7)^14, Find f'(x). f'(x)= (-3^2+6)^4 d/dx(9x^2+7)^14+(9x^2+7) d/dx(-3x^2+6)^4 =(-3x^2+6)x14(9x^2+7)^13 d/dx(9x^2+7)+(9x^2+7)^14x4(-3x^2+6)^3 d/dx(-3x^2+6) =14(-3x+6)^4(9x^+7)^13 (18x)+ 4(9x^2+7)(-3x^2+6)^3 (-6x)
57. ### COLLEGE CALCULUS. HELP!

Find the derivative of the function. 1. F(x)= (1+2x+x^3)^1/4 2. f(t)= (1+tant)^1/3
58. ### calculus

3. For what value of k will x+k/x have a relative maximum at x = -2? A. -4 B. -2 C. 2 D. 4 E. None of these
59. ### calculus

How do I find the indefinite integral of cosx/(1-cos^2 x)dx?
60. ### COLLEGE CALCULUS.

i don't understand this problem Let F(x)=f(x^4) and G(x)=(f(x))^4. You also know that a^3=2, f'(a)=13, f'(a^4)=15. Find F'(a) and G'(a).
61. ### calculus

Evaluate the following integral: (X)(cube root(x+1))dx
62. ### Calculus AB

The integral from a to b of f(x)/g(x) equals ln[(g(b)/g(a)]. Find g'(x), and explain your reasoning.
63. ### calculus

FInd the area of the region bounded by the graphs of y= 3x^2+1 , y=0, x=-2.7, x=2.5
64. ### calculus

for abs value of x <1, the derivative of y= ln square root 1-x^2 is.....?
65. ### Calculus

Determine the maximum and minimum value of the function f(x)=-xe^x + 2.
66. ### Calculus

Show that a,b,c, and d are positive integers when, ((a^2+1)(b^2+1)(c^2+1)(d^2+1))/abcd≥16
67. ### pre-calculus

Convert from polar to rectangular r=3cos2theta
68. ### Calculus

For which value(s) of k will the dot product of the vectors (k,2k-1, 3) and (k,5,-4) be 7? I did this so far, 2k-1=5 6/2 k=3
69. ### calculus

find the total differential of the function f(x,y)= xye^(x+y)
70. ### calculus

find the approximate change in z when the point (x,y) changes from (1,1)to (1.01, 0.90) f(x,y) = xe^(-y) + ye^(-x)
71. ### Calculus

Are the points P(1,2), Q(7,3) and R(-2,1) o the line with vector equation r=(19,5) +s(6,1), SeR
72. ### calculus

evaluate lim of x as it approaches infinity for sqrt of x^2 -1/2x+1
73. ### calculus

use differentials to approximate the value of the squareroot of 4.3
74. ### Calculus

find the region enclosed by the given curves: 4x+y^2=9, x=2y
75. ### calculus

Solve for x on the interval (0, 2pi] (sin2x + cos2x)^2 = 1
76. ### Calculus

Find the derivative 1. y = e^xSin²x 2. y = (x³+1)e^-4 3. y = x²e^Sinx
77. ### calculus

find the interval on which the graph of f(x)=ln(x^2+1) is concave upward.
78. ### Calculus

Find the minimum distance from the parabola x + y^2 = 0 to the point (0,-3).
79. ### Calculus

Find the minimum distance from the parabola x + y^2 = 0 to the point (0,-3).
80. ### calculus

Find the area of the region enclosed by y=6x2 and y=x2+15
81. ### calculus 3

find and sketch the natural domain of f(x,y)= √(x+y^2 )/(x^2+y^2 )
82. ### calculus

find to the nearest integer the value of C that satisfies (y-6)dy=(x+4)/(y-3)dx, y(-1/12)=2
83. ### calculus

find the volume of the region bounded by y=e^x, y=2, and the y axis
84. ### Calculus

Calculate the dot product of two vectors: m = [4,5,-1] and n = [6,-2,7]
85. ### Calculus

can someone help me find the antiderivative of: f(x)=4x times the squareroot of (1-x^2)
86. ### Calculus

Integrate e^((x^3)/2) How do I start? I know that the integral of e^x is just e^x plus C, but what do I do with the ((x^3)/2)? Thanks!
87. ### CALCULUS!

When S is sales and t is time, and the original function is S(t), what does S'(24) and S''(24) represent?
88. ### Pre-Calculus

What is the inverse of matrix C, to the nearest hundredth? 10 -6 C= -12 2
89. ### Pre-Calculus

What is the inverse of matrix A, to the nearest tenth? -2 7 A= 6 -8
90. ### Calculus

6. Find out if the line r = (1, 3, 8) + t (-2, 5, 7) is parallel to the plane 3x + 4y - 2z = 1
91. ### Calculus

6. Find out if the line r = (1, 3, 8) + t (-2, 5, 7) is parallel to the plane 3x + 4y - 2z = 1
92. ### Calculus

6. Find out if the line r = (1, 3, 8) + t (-2, 5, 7) is parallel to the plane 3x + 4y - 2z = 1
93. ### Calculus

Find the shortest distance from a point P(2,-1,2) to a line L r= [-1,0,7] + t [4,1,-2].
94. ### Calculus

The graph of f(x)=(ax+b)/(x^2 - 5x + 4) has a horizontal tangent line at (2, -1). Find a and b
95. ### calculus

find the derivative of the function f(x)= tan (10x^2)
96. ### Calculus

Differentiate each function a) y = Cos³ x b) y = Sin(x³) c) y = Sin²xCos3x
97. ### CALCULUS

Evaluate limit L'Hospitals Rule: lim x->0+ (x)^(pi/2)
98. ### Calculus

Apply Rolle's theorem if possible and find c if y=x^(2/3)-16
99. ### Calculus

Write the equation of an ellipse with the foci (17, 0) and (-17, 0) and co-verticies (0, 15) and (0, -15).
100. ### calculus

How do I take the partial derivative of P with respect to r of the following: D ~ P = ‡”(t=1 to T)[t ~ (CF)_t/(1+r)^t ]