# Pre- Calculus

21,837 results, page 71

1. ### Calculus

Find the Limit lim as t approaches 1 of (t^3+5t^2-13t+7)/(t^3-3t+2)
2. ### Calculus

How do I find the normals to the curve xy+ 2x - y = 0 that are parallel to the line 2x + y = 0
3. ### calculus

Find an equation of the tangent to the curve f(x) = 2x^2 - 2x + 1 that has slope 2.
4. ### calculus

Find the derivative of the function. h(x) = (cos x/ 1+sin x)4
5. ### Calculus

Convert the following into spherical coordinates: x^2+y^2+Z^2=36
6. ### Calculus

Convert the following into spherical coordinates: X^2+y^2+Z^2 = 36.
7. ### calculus

Find the parametrization for the left half of the parabola: y = x^2 - 4x + 3.
8. ### calculus

Find a Cartesian equation for r= 3sin deta
9. ### Calculus

Find the area between the x-axis and the graph y = x^2 – x + 1 from x = 0 to x = 3.
10. ### Calculus

Find the slope of the graph y=x^9-2x+(square root of 5-x)^3 @ (1,7)

M-3 M+5 is less than or equal to 0

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.
13. ### Calculus

lim x->1 (x^47-1)/(x^9-1) With what method do I factor them with? Pascal triangle?
14. ### Calculus

How did I solve this? Find the change in y if x changes from 1 to 3. The equation is y=f(x)=2x^2+5
15. ### calculus

The slope of the tangent line to the parabola y=3x^2+6x+5 at the point (-3,14)
16. ### calculus

Given that y=sin x ln (x+1),prove that (d^2 y)/(dx^2 )+y=2cosx/(x+1)-sinx/(x+1)^2
17. ### calculus

Find the Taylors series for f (x)=e2x about 0
18. ### calculus

Find the Taylors series for f (x)=e2x about 0
19. ### CALCULUS

X2 + Y4 = 16 find the slopes of the 2 tangent lines to the curve from (5,1)
20. ### calculus

find the indefinite integral of ln y divided by 6y cube
21. ### calculus

Find the equation of the tangent line to the graph of f(x)=4x^3-1x^2+1 at x=-2.
22. ### calculus

Determine if the function is even, odd or neither. f(x)=x^3-x^2-8x+4
23. ### calculus

Find dy/dx by implicit differentiation. sin x = x (1 + tan y)
24. ### Calculus

Find the derivative by the limit process. 6/√(8x)
25. ### calculus

Find the derivative by the limit process. 6/√(8x)
26. ### calculus

find dx/dy implicitly from √(x+y) = 1 + (x^2)(y^2). then solve for dx/dy explicitly.
27. ### calculus

find dx/dy implicitly from √(x+y) = 1 + (x^2)(y^2). then solve for dx/dy explicitly.
28. ### Calculus

I don't understand how to set up the triple integral for #26. LINK: h t t p : / / g o o . g l / 5 k C L
29. ### calculus

Evaluate the limit lim sin4x/tan9x x-> 0
30. ### calculus

2x*sqrt(3x^2+4) Find all critical numbers:
31. ### calculus

Find all critical numbers: 2x*sqrt(3x^2+4)?
32. ### Calculus

If 3 x2+ 5 x + xy = 3 and y( 3 ) = −13, find y′( 3 ) by implicit differentiation.
33. ### math: calculus

Having a problem with this one... if f(x)=f, then find f(7)
34. ### Calculus B

Find lim as x goes to 0 of (xsinx)/(1-cosx)
35. ### calculus

Lim= x-Infinite x+0/(x2+1)=? please show work
36. ### Calculus

find the absolute extrema if they exist as well as where they occur f(x)= x-1/x^2+3x+5
37. ### calculus

find the points of discontinuity of the given function f(x) =x+3/|x2+3x|
38. ### calculus

find point(s) on the graph of the function f(x) = x^3 - 2 where the slope is 3
39. ### Calculus

find the equation of a tangent line of x^(1/4) + y^(1/4) = 4 at the point (16,16)
40. ### calculus

Q1) find the derivative of cos(e^(x^4sin(x))) Q2) If d/dx (f(4x^5))=7x^2 calculate f'(x)=
41. ### Calculus

What is the x-coordinate of the point on the curve y=e^x that is closest to the orgin?
42. ### calculus

Find the most general antiderivative of the function 1) f(x)= (X^3)^1/4 + (X^4)^1/3 2) f(u)= U^4 + 3ãU / U^2
43. ### calculus

If f(x)=8x +2 find the exact area under the curve from x=0 to x=2.
44. ### calculus

Suppose that log2 = a and log3 = b Solve for x in terms of a and b: 6^x = 10/3 - 6^-x
45. ### Calculus

Find the slope of the tangent line to the curve at (2,1) x/y + x^2y^2 = 6
46. ### calculus

Find the second derivative of the function: y=e^-2t*cos^2(t+(pi/4))
47. ### calculus

how is the lim as x heads towards infinity of 3/(1+(3/x) equal to 3?
48. ### calculus - Integration

evaluate ∫sec^7 x tanx dx
49. ### calculus ap

what is the slope of the line tangent to the curve y^3+x^2y^2-3x^3=9 at the point (1,2)?
50. ### calculus ap

find limit as x goes to infiniti of 8x^4-3x^2+2 over 9x^5+7x^4-3x^2+2
51. ### calculus

derivatives: 3. y= cot^3(2/x) 4. y= csc^5 (1-t+3t^2) 5. y=sec(5x)/tan3x
52. ### Calculus

Graph of f(x) = (x^3 - 5x ^2 + 6x)/(x^2 - x- 2). Can anyone please post a picture of this or something?
53. ### calculus

rotate the axes and eliminate the xy term of 3(x^2)+2xy+3(y^2)-8
54. ### calculus

rotate the axes and eliminate the xy term of 3(x^2)+2xy+3(y^2)-8
55. ### calculus

Estimate for x = 2, 4, 6, using the given values of f'(x) and the fact that f(0)=50 .
56. ### calculus

assume f(x)=-2x+8 and g(x)=5x. What is the value of (f-g)(2)? i got -6 but i don't think that's right...is it?
57. ### Calculus

Let f(x) = x^2 if x ≤ 1 ax + b if x > 1. Find the values of a and b so that f is continuous and has a derivative at x = 1.
58. ### calculus

equation of motion of roller coaster that y=sin(t/2),y=(t-1)(t-2)(t-3)(t-4)(t-5)
59. ### Calculus

the equation represents for a recurrence relation, Mt+1= 0.75Mt+2 with Mo=5
60. ### calculus

For the function f(x) = 18/(3x-14) determine the x-coordinate of any vertical asymptote
61. ### calculus

Find the area bounded by the x-axis ,the curve y= 1/x+2, x=0,y=0, and x=5
62. ### calculus

Consider f(x)=3*2^x find the rate of change between X=1 and X=4
63. ### calculus

Find the derivative of the following functions: x^7+2/(x^1/2) also (x^9-x^1/7)7^x
64. ### calculus

If f(x) is differentiable at x=a where a is not equal to 0, Find lim [[f(x)]^2-[f(a)]^2] / [x^2-a^2] as x approaches a
65. ### Calculus

Find the tangent approximation for sqrt(5+x) near 3
66. ### CALCULUS

Derivative of: (exp(8x^4))(5x^3+9)^3 ___________________________ (divided by) (22x^2+4x-20)^2
67. ### Calculus(derivatives)

f(x)=7cosx+6tanx, find f'(x)and f'(5pie/4)
68. ### calculus

f(x)=12x/sinx+cosx find f(-pie)
69. ### calculus

Derivative of: (exp(8x^4))(5x^3+9)^3 ___________________________ (divided by) (22x^2+4x-20)^2
70. ### calculus

Find the area of the figure. 17) E ach square is 7 ft by 7 ft.
71. ### Calculus AB

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

Please find the integral for: (2^(-1/t))/(t^2) Thank you very much
73. ### calculus

Find all horizontal and vertical asymptotes of f(x)= 2x^2 + 7x + 12/ 2x^2 + 5x - 12
74. ### calculus

find all horizontal and vertical asymptotes of f(x)=2x^2+7x+12/2x^2+5x-12
75. ### Calculus

Differentiate the following ( do not simplify) a) ln(√sinx)
76. ### Calculus

Find the domain: f(x)= x2-7x+12/x4-8x3+13x2+30x-72
77. ### Calculus

Find the domain of the following function h(x,y) = sqrt(x-9y+5)?
78. ### Calculus

How do I solve for: 5000 = 45t^2 + 240t + 450
79. ### calculus

Question: what is the derivative of f(x)=x^2*e^x Would the answer simply be 2x+e^x?
80. ### Calculus

Find dy/dx in terms of x and y if (x−a)^9+y^9=a^9. Assume that a is a constant.
81. ### Calculus

Find dy/dx in terms of x and y if (x−a)^9+y^9=a^9. Assume that a is a constant
82. ### calculus

Complete the identity. sec(x)sin(x)/tan(x) - 1 = 0
83. ### calculus

integrate 3/25+4x^3....use 2x=5tanΦ as a substitution
84. ### AP Calculus

Determine dy/dx if xsiny=artany i did (x)(cosy dy/dx) so far

Let f(x) = x^3 - x^2 + x - 1. Find an equation for tangent line to f at x = 2.

Let f(x) = x^3 - x^2 + x - 1. Find an equation for tangent line to f at x = 2.
87. ### Calculus

If f is the function defined by f(x)=(x^2+4x)^(1/3) and g is an antiderivative of f such that g(5)=7, then g(1) Is congruent to
88. ### calculus

use antidifferentiation.... and find (1/the square root of 2x)dx
89. ### calculus 2

integrate x^5/(x^2 + sqrt(2)) using a table of integrals

find the slope of the tangent line y= -5x^1/2 + X^3/2; X=25
91. ### Calculus

Write the logarithm of a single quantity: 2ln(x)+ln(4)-(1/2)ln(9)
92. ### calculus

find ds/dt at (2,1) given t6(2)-2ts+s^(2)=s possible choices are -2/3, 2/3, -3/2 or 3/2
93. ### Calculus

Find the limit: lim x-> 2 ln(x/2)/ (x^2−4) Can someone help me with this?
94. ### Calculus

Find the following interval: (2e^(2sqrt(y))/sqrt(y))
95. ### Calculus

Find the coordinates of the vertex of the graph of f(x)=2x^2+10x-17.
96. ### calculus

Evaluate the Integral ∫1, 0 x^3(1+x^4)^6dx where 1=b 0=a for the limits
97. ### calculus

Find or evaluate the following integral. csc^2 3x dx
98. ### calculus

Given the function h : x -> 3x + c and h^-1 : x -> cx/m - 1, where c and are constants, find the values of c and m
99. ### calculus

i need a real life application on parabola.
100. ### calculus

Use the demoivre's theorem to find the answer? (1+i)^8