88,790 results, page 90

1. ### Pre-Calculus

For any two linear functions f(x)=ax+b and g(x)=cx+d, is f o g the same as g o f?
2. ### calculus

y= -5x + 4 OVER 10 - 5x find the asymptotes of the function
3. ### calculus

find a and b lim x -> 0 ((2x+b)^1/2)-(5^1/2))/ ((a(abs x)/4) - (1/4))= 2
4. ### calculus

find a and b lim ((b^1/2)+(5^1/2)) x - 0 ------------------ = 2 (a(abs x)/4) - (1/4)
5. ### calculus

Differentiate the function f(x) = 186.5
6. ### calculus

Prove that d/dx(cot x)= -csc^2x
7. ### Calculus

Assume that x>0 and y>0. If y=5sqrt{x+9} and dx/dt = 2, find dy/dt when x=7.
8. ### calculus

4x√(2x^2 + 2x - 1). find first derivative
9. ### calculus

lim x-0 xtan(8x)+ 2tan(8x)/(x^2+4x)
10. ### Calculus i need help

Find dy/dx if x^2.y+sin(xy)+y^4.x^2+3xy=5???
11. ### calculus

where is f(x)=12cos(3x) equal to zero. so far i have pi/2+n2pi.. i am not sure about pi/2
12. ### calculus

11,406.14=(438.3/r)(1+r)^10 how do you solve for r?
13. ### Calculus

Find the second derivative of the function f(x)= t^2e^(-2t)
14. ### calculus

cos2x=secx find x
15. ### calculus

what is the slope of the curve y=tan(6x^2) when x=ð
16. ### Calculus

find g''(x) if g(x) = xe^x I have g' as e^x(x+1) then g'' as e^x(1) or just e^x am I missing the mark?
17. ### calculus

Find the derivatives of the following function: i)y=-3x^-3 +2x^-2 + x-2
18. ### Calculus

Express the inverse of (f o g) in terms of f^-1 and g^-1
19. ### Calculus

determine the angle between the planes 2x + 2y + 7z = 8 and 3x - 4y + 4z = 5
20. ### Pre-Calculus

find the inverse of g(x)=(x+7)^3+4
21. ### Calculus

How do you find the derivative of y=tan^2(x^4)?
22. ### college pre-calculus

if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?
23. ### calculus

determine the domain for each function f(x)=6x^(2)-x-1, g(x)=x-1
24. ### Calculus

Differentiate: y=ln(x/(2x+3))^(1/2) y=(1/2)ln(x/(2x+3)) y'=0+(1/2)((2x+3-2x)/(2x+3)²) What's next after the quotient rule?
25. ### calculus

find the nth derivative of 2/(x+1)
26. ### calculus

Determine the following limit. lim (1/x-3) x->3
27. ### ap calculus

how do i find the volume of an egg?
28. ### Calculus

If f(x)=0.5x+3 then what is fofofof? (composite function)

I need help with: r(x)= 4/5x^2 + 8x + 15 What do you do with the 4/5X^2? I know that (x+3) and (x+5) is the factoring for x^2 + 8X + 15 but have no clue what to do with the 4/5.
30. ### calculus

Find a value for k so that 2x^2 + kx + 1 has no real roots.
31. ### Calculus..Need Help Soon

If f(x)=1-x^3 and f^-1 is the inverse of f, how many solutions does the equation f(x)=f^-1(x) have? a)none b)one c)three d)five e)six
32. ### calculus

find the nth derivative of 2/(x+1)
33. ### Calculus

Given that f(x)= x^3 i f x≥0 x i f x<0 which of the following functions is even? I. f(x) II. f(|x|) III. |f(x)|
34. ### Calculus

(c) y=x2,y=2−x,and the vertical linex=2
35. ### calculus

Evaluate integral from -2 to 3 of 4 lxldx
36. ### Math 142 (calculus)

Determine d^2y/dx^2 for y=(5x^5+7)^4
37. ### calculus

Find the critical number of g(t)=(t^2)/(5t+4)
38. ### calculus

determine the domain for each function f(x)=x-6, g(x)=3x^(2)
39. ### calculus

What is the degree 5 coefficient of the polynomial p(x)= x^2 (x+1) (x+3x^3 + 4x^4)?
40. ### Calculus

Find the absolute max of f(x)=5x-e^(5x)
41. ### Calculus AB

Find the indefinite Integral of: (e^(2x)-e^(-2x))/(e^(2x)+e^(-2x))dx Thank you very much for your help.

43. ### Calculus

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

lim x-->0 ((7-3x^5+x^2sinx)/(5cosx))
45. ### Calculus

Find the derivative: y=x^(sin(x))
46. ### pre-calculus

tan(1/2)cos^-1(9/10)
47. ### Calculus

Let f(x) = 4x5/4 + 10x3/2 + 9x. Find the following. (a) f '(0) = (b) f '(16) =
48. ### Calculus

For what values of x does 4x^6-8x^3+18 have a relative minimum
49. ### Calculus

Find the first and second derivative for the function g(t)=t^2(3t+1)^4
50. ### Calculus

Average value of f(x) = e ^ 4xsquared on the interval [-1/4,1/4]
51. ### Calculus

find the inflection points of x^4+5x^3-9x^2+6
52. ### Calculus

Let A(x)=∫x^(2),∞; (e^-t/t)dt for x>0. Find A'(x)
53. ### calculus

If f and g are two functions for which f' = g and g' = f for all x, then prove that f^2 - g^2 must be a constant.
54. ### Calculus

the integral from 0 to pi/2 of sin^5(x)cos^18(x)
55. ### calculus

(2y-1)dy/dx=(3x^2+1) given that x=1 when y=2 plz show step thanks
56. ### calculus

sec^2(pi/2-x)-1=cot^2x where do i start
57. ### Calculus

Finding area under a curve From [1,3] 2x^2 -4x +1
58. ### Calculus 1

Evaluate the definite integral: (dx/(x(1+ln(x))) from 1 to e^7.
59. ### Calculus

I need help finding the vertical asymptote of f(x)= 1-x -------- 2x^2-5x-3
60. ### calculus

Write h(x) = 6x^4 - 2x^2 + 1 as a composition of two functions f and g
61. ### Calculus

Use linear approximation to approximate f(0.8) given f(x)=2x^3-3x+1
62. ### calculus

revenue function of x^2+3p=675
63. ### Calculus

(c) find the integral of 1/squrt (x^2+2x+10) dx
64. ### Calculus

Intergrate the following. y = cos(x)(2sin(x)-1)^6
65. ### calculus

is the lim (x tending to 0) of (sin(0))/0 = 1?
66. ### calculus

Differentiate: 1/s+ke^s Do I just use the quotient rule? Thanks
67. ### calculus

intergal xcosax^2dx =
68. ### calculus

int dx/3sinx+4cosx dx =
69. ### calculus

If f(x)=2cos(4ln(x)) , find f'(x)
70. ### Calculus

g(x)=5x^2+3x+2 Compose g(g) and find domain
71. ### AP Calculus

Find x. lim (sin(x))^x x-->0
72. ### Calculus 2

Solve the differential equation: dy/dx = y^2 + y
73. ### 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
74. ### Calculus

Explain how lim x->1 ((x^2)-1)/(sqrt(2x+2)-2) = 4
75. ### calculus

find indefinite integral ((e^-x)-(1))/((e^-x)+(x))
76. ### calculus

what is the domain of f if f(x)=2cos(4x+pie)-1
77. ### calculus

find indefinite integral of (e^-x)-(1)/(e^-x+(x)^2 dx
78. ### Calculus

solve: Sin2x=Sinx
79. ### pre-calculus

use gauss-jordan x+2y=5 2x+y=-2
80. ### Calculus

Evaluate. The integral of (e^5x)(sin6x)dx
81. ### calculus

find the first derivative of f(x)=(3-4x)^5tan(2x^2-x-1)
82. ### Calculus

Suppose x^2+1>= f(x) >= 4x-3 for all x. Compute lim f(x) x->2
83. ### calculus

g(x)= (((x-1)/x)-1)/((x-1)/x) Simplify and state the domain.
84. ### calculus

john has\$1.70 . he has 3 more dimes than quarter.
85. ### Calculus

Differentiate: y=sin(2z)+cos^2z
86. ### Calculus

reflexive property of ellipse
87. ### Calculus

Express the four fourth roots of 1/2 + ã3/2 i
88. ### Calculus

Solve the inequality |5+(2/x)|<1 solution is (-1/2,-1/3).
89. ### Calculus

Find the derivative of tanh(e^t)
90. ### 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))?
91. ### Calculus

If y = y(x), write y’ in Leibniz notation.
92. ### Pre-Calculus 12

2x^3 - 13x^2 + 32x - 13 = 0
93. ### calculus

determine the domain for each function f(x)=2x+3,g(x)=x-1
94. ### calculus

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

Let f(x) = 1/(x+2) and g(x)= (x-1)/x. Simplify and state the domain. f(g(x)) g(f(x))
96. ### pre calculus

simplify sin(2 pi/3+x)
97. ### calculus

Find the fourier series of F(x) = 1, -L<=x<0 = 0, 0<=<L f(x+2L) = f(x)
98. ### Pre-Calculus

How to find domain of: y = -3 + ãx+6
99. ### Calculus

FInd the area of the region between y=x^(1/2) and y=x^(1/5) for 0<x<1.
100. ### calculus (math)

Simplify exactly log_2 1/16