88,703 results, page 83

1. ### calculus

1. If 3x^2+2xy+y2=2 then the value of dy/dx x = 1 is A. -2 B. 0 C. 2 D. 4 E. not defined
2. ### Calculus

How exactly do you determine dy / dx ? Maybe for this one: y = 2 / 3(x)^3
3. ### Calculus

What is the limit as x approaches 0 of [(tanx)^2]/x?
4. ### Calculus

What is the limit as x approaches 0 of [(tanx)^2]/x?
5. ### calculus

determine the intervals where f(x) = ln(6x-24) is continuous
6. ### calculus

x (to the power of 3) + 40 / y - (10 + 3) what is the value of the expression when x=4 and y=8?
7. ### calculus

Evaluate the definite integral:
8. ### calculus

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

limx-0 x-sinx/xcube
10. ### calculus

if f(x) = square root of e^2x +1, then then f'(0) equals what?
11. ### Calculus

For this problem, consider the function y=f(x)=x3 x2 – 1
12. ### calculus

Integral from pi/6 to pi/4 of 2sin(2x)cos(2x)dx=
13. ### calculus

find the domain of the function f (x,y) = e^-xy
14. ### Calculus AP need help!

antiderivative. find f. f'(x)= 3x^(-2), f(1)=f(-1)=0
15. ### Calculus AP need help!

antiderivative. find f. f'(x)= 3x^(-2), f(1)=f(-1)=0
16. ### Calculus

solve: Sin2x=Sinx
17. ### Calculus

Which of the following is the x-intercept of the plane 2x-4z+1=0? a) P(2,0,-4) b) P(0,0,0) c) P(-1/2,0,0) d) P(0,0,1/4)
18. ### calculus

Evaluate the integral: 37/x^3-125
19. ### calculus math

Lim tan(x+ pi/4)^1/x x-->0
20. ### pre-calculus

tan(1/2)cos^-1(9/10)
21. ### calculus

does sin(1/x) converge or diverge?
22. ### Calculus 3

find the curvature of r(t) = <t^2, ln t, t(ln t)> at the point (1,0,0)
23. ### Calculus

Where does the line [x, y, z] = [6, 10, 1] + t[3, 4, -1] meet the xy-plane?
24. ### Calculus

I need to integrate ((e^-x)^2 - (-ex)^2)dx Can someone help?
25. ### Calculus

Calculate the angle between u = [5,7,-1] and v = [8,7,8]
26. ### Calculus

7. Where does the line r = (1, 2, -5) + t (2, -3, 1) meet the plane 2x + 5y - 3z = 6?
27. ### calculus

Evaluate the following (x+7)dx/x^2+14x+55
28. ### CALCULUS

Solve the differential equation: dy/dx = x (y^(1/3))
29. ### calculus

find the taylor series f(x)1/2(e^x + e^-x) ;x=0
30. ### Calculus

Differentiate x^2y^3+x^3y^4=11 implicitly to find dy/dx.
31. ### Calculus

If y=tanx-2cosx Find y'(pi/3)
32. ### Calculus

Differentiate each function a) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) thank you in advance :)
33. ### Calculus

Determine the value of k, so that u = [-3,7] and v = [16,k] are perpendicular.
34. ### Calculus

Given y=(x^2+2)sqrt(x^3-8x) Find dy/dx
35. ### calculus

I am confused how to derivative this... 2y=x^2+siny
36. ### Math - Calculus

how to solve limits?
37. ### Calculus

What is the derivative of y = square root of 3x
38. ### calculus derivatives

Please confirm: {(5x+2)^4/x^2-3x+1)^3}= 20(5x+2)^2(x^2-3x+1)^3 -3x^2(5x+2)^4 (x^2-3x+1)^2/(x^2-3x+1)^6
39. ### calculus

I don't understand how to do this problem find s(t) for a(t)= 3t^2, v(o)= 20 s(o)=5
40. ### Pre-Calculus

is f(x)=9x^(5/3) a power function?
41. ### calculus

if log (x) = -0.123, what does x equal?
42. ### Calculus

find coefficient of x^8 in expanding of (x-2)^11
43. ### calculus

integrate (3dx/xln3x)
44. ### calculus

polynomial equation with intercepts (-3/2,0) (1,0) (5/2,0) (0,4/3)
45. ### calculus

polynomial equation with intercepts (-3/2,0) (1,0) (5/2,0) (0,4/3)
46. ### Calculus

What x-values make f not continuous f(x)= x/(x^2 -3)
47. ### Ap calculus

Let h(x) = f (x-pi). Find the domain and range of h.
48. ### calculus maths

y=lnlog base2 x
49. ### pre calculus

are you an online tutor
50. ### Calculus

Find the polar coordinates of (8, –8) for r > 0.
51. ### calculus

Differentiate the function. g(x)= x^2(1-2x) g'(x)= i tried doing 2x(1-2x) 2x-4x^2
52. ### calculus

Differentiate the function. S(R) = 4πR^2
53. ### calculus

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

The slope of the curve x^3y^2 + 2x - 5y + 2 = 0 at the point (1,1) is
55. ### Calculus 2

Find the integral of acrsinhxdx
56. ### Calculus 2

Find the derivative of ln(arccoshx)
57. ### Calculus 2

Find the integral of sinh^2(x)dx.
58. ### Calculus 2

integral of sinh(p*ln(x/xsub0))dx
59. ### Calculus

Find dy/dx in terms of x and y if arcsin(x^5y)=xy^5.
60. ### Calculus

Find the derivative of y=15x^7+7^x+22
61. ### Calculus

The linear approximation to 1/sqrt(3-x) at x=0 is y=
62. ### calculus

find the derivative of y=2sqrt(x)-(1/x)
63. ### Calculus

Given F(2)=1,F'(2)=5,F(4)=3,F'(4)=7 and G(4)=2,G'(4)=6,G(3)=4,G'(3)=8, find: a)H(4)if H(x)= F(G(x)) b)H'(4)if H(x)= F(G(x)) c)H(4)if H(x)= G(F(x)) d)H'(4)if H(x)= G(F(x)) e)H'4 if H(x)= F(x)/G(x) Please Help!
64. ### Calculus

Let h(x) be a function which satisfies h'(4) = 3. If k(x) = h(x2), compute k'(2).
65. ### Calculus

What is the derivative of R(x)=(√7)/(xˆ10)
66. ### Calculus

What is the derivative (tˆ2)ˆ(1/3)+2(tˆ5)ˆ(1/2)
67. ### calculus

Differentiate: f(x)=(secx)/[1+sec(x)]
68. ### Calculus 1

differentiate f(x)=(sinˆ2x)/(cosx)
69. ### calculus

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

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

g(x)= (((x-1)/x)-1)/((x-1)/x) Simplify and state the domain.
72. ### Calculus

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

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

Find the linearization L(x) of the function at a. f(x) = x3/4, a = 81
75. ### Calculus

Find dx/dy for the function y=x^cos(x)
76. ### calculus

can anyone help me simplify this problem? ln(x-3)(x+2)-ln(x+2)^2-ln7
77. ### CALCULUS

Find the length of the curve: y=ln(1-x^2), 0<_x<_1/2
78. ### Calculus

Find the area between y=e^-x and y=4(x-x^2.
79. ### Calculus

Integral [-1,6] 12x^2–x^3–32x
80. ### Calculus

integral[1-6]sqrt(6)*lnt dt
81. ### Pre-Calculus

Is the period of f(x) = 2cos(3x - ð) 2ð/3?
82. ### CALCULUS

3rd derivative of (2/x3)+(the sqrt of x-2)/(3x-6)
83. ### calculus

What is the value of this limit? lim (x^2+4/^2-3x+1) x->4 A. 1 B. 4 C. 5 D -oo E. oo
84. ### Calculus

Convert theta=225degrees A y=-1 B y=1 C y=x D y=-x E x=-1
85. ### Calculus

Find the limit lim x->2 (2x^2 +1)/(x^2 + 6x -4)
86. ### Calculus

integral[13,4]sin^2(8x)cos^2(8x)dx
87. ### Calculus

Evaluate Integral of (lnx)^4/x dx when b is E and a is 1
88. ### calculus

find the limit u-> sqr(u^4 + 3u+ 6)
89. ### calculus

find derivative y= (3x^5-6x^3)/7secx
90. ### Calculus

evaluate each limit, if it exists [(2+x)^2 - 16]/ (x-2) what do I do?
91. ### calculus

solve the equation Inx+In(x+4)=3 x= ?
92. ### calculus

solve the equation. Inx+In(x+8)=3
93. ### calculus

solve it by integating factor dy/dx + (x+1/x)y=e^-2x
94. ### Calculus

Let f(x)=[5x^(1/4)]*[(x^3)-10] evaluate f'(x) at the following points: a) f'(3) b) f'(5)
95. ### Calculus

Let f(x)=5x^(1/4)(x^3-10). Evaluate f'(x) at the following points: a) f'(3) b) f'(5)
96. ### calculus

Find the derivatives of the functions k(x)=(x^3+e^x)^4
97. ### calculus

Let f(x) = 2ln(cosx), find f''(x)
98. ### calculus

Let f(x)= 2ln(cosx), find f''(x)
99. ### calculus

evaluate the indefinite integral of ((x+4)/(17+8x+x^2))dx
100. ### Calculus

Find the intergral of (1+x)/sqrt(3-x^2)