# Pre- Calculus

21,894 results, page 82
1. ## Calculus

Evaluate limit as x approaches 0 of: csc^2(7x)tan(2x^2)
2. ## calculus

u have 7 different pass codes from a choice of 8 numbers how many possible outcomes are there
3. ## calculus

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

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

use substitution to find the indefinite integral (x^3+3x)(x^4+6x^2+8)^9dx
6. ## calculus

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

8. ## Calculus

Compute the absolute and relative errors in using x to approximate x. x=pi; c=3.18
9. ## calculus

how do you find the absolute maximum of 2x^3+3x^2-12x-7 on interval (-3,0)
10. ## calculus

Cos(pi/12) solve using half angle formula
11. ## calculus

find critical values for the function sqrt x^2+x-20
12. ## Calculus

find the volume OUTSIDE the cylinder x^2+y^2=9 and INSIDE the sphere x^2+y^2+z^2=25
13. ## Calculus

Determine the interior angles of triangle ABC for A(5,1), B(4,-7) and C(-1, -8).
14. ## Calculus

Can you please help me find the x and y intercepts of this equation. How do I solve this? y= x^2 √9-x^2
15. ## Calculus

find the area under the curve y = x^2 + x from the origin to the line x = 3
16. ## Calculus

I think I wrote it wrong earlier it should be Find the derivative y = (3x+2)/(x+1)
17. ## CALCULUS

USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪxe^2x dx
18. ## Calculus

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

Analtical method to evaluate Lim X -> -infinite
20. ## Calculus

For solving initial value problems is there any way to do it without a calculator? For example: f"(x)=12x^2-6x+8, f(-1)=5 f'(-1)=-21
21. ## Calculus

How do I find the normals to the curve xy+ 2x - y = 0 that are parallel to the line 2x + y = 0
22. ## Calculus algebra review

((1/2+h) -(1/2)) / h found LCD of numerator ((2)-(2+h)/2(2+h))/h is it 1
23. ## calculus

Determine whether the given function is continuous. If it is not, identify where it is discontinuous.
24. ## calculus

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

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

find the interval(s) where the following functions are increasing and decreasing. f(x)= x/4 + 4/x
27. ## Calculus

Given m(x)=7/5x2+9-2 what is the domain of m in set notation form?
28. ## calculus

Show that the curve given below has no tangent line with slope m1, where: y = 4 x^3 + 8 x - 6 m1 = 7
29. ## calculus

does the series from n=1 to infinity of 1/arctan(2n) converge? I said yes but I didn't know what to
30. ## Calculus

Solve the following differential equation with initial conditions: y"=e^(-2t) + 10^(4t); y(0)=1, y'(0) = 0
31. ## calculus

find the derivative of the function at the given number F(x)= 1/ √x at 4
32. ## CALCULUS

FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD çX^3+X^2/3X^4+4X^3 DX
33. ## Calculus

Compute the absolute and relative errors in using c to approximate x. x=e;c=2.68
34. ## Calculus

Write the expression as the logarithm of a single quantity. ln 2 + 1/2 ln(x +1)-2 ln(1+ x^(1/2))
35. ## Calculus

FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD çe^3X DX
36. ## Calculus 2

Use the Midpoint Rule to approximate the integral (–10x+(7(x^2))) from 10 to 17 with n=3
37. ## College Calculus

Calculate the average over the given interval. f(x)=sin(pi/x)/x^2, [1,2]
38. ## math-calculus

value of |7|-|-6|+|-cubicroot-64| i got 25 after doing whole thing but real answer be 5, i not get how to get that.
39. ## calculus

find the most general antiderivative of the function f(t)=8t-3sec^2t
40. ## calculus

Let f(x)=(x-1)/(-x^2+2) a. Is this point (-1,-2/3) on the graph of f? b. State the domain of f and then solve f(x) 1/2?
41. ## Calculus with Analytical geometry

I'm stumped on this one. lim |x-1|sin(1/x-1) x->1
42. ## Calculus

The slope of the line tangent to the curve xy+(y+1)^2=6 at the point (2, 1) is
43. ## calculus

25pi/3=1/2xsquare root of 100x^2 and plus 50 arcsin(x/10)
44. ## Calculus

Can someone help me with this question. With steps. Examine the continuity of the function h(x)= -x, if x<0 0, if x=0 x, if x>0
45. ## Calculus I'm really confused

solve the differential equation dy/dx=y^2/x^3 for y=f(x) with condition y(1)=1.
46. ## calculus

Please find the Derivative of the function y =sec^2x + tan^2x
47. ## calculus

Find a Cartesian equation for r= 3sin deta
48. ## calculus

Find the area of the shaded region. r^2=sin(2θ).
49. ## Calculus

Y=2sinx-cos^2(x) on [0, 2pi] How do you solve for the x-intercept
50. ## calculus

Find the centroid for an area defined by the equations: y=2x+4 and y=((2x-3)^2)+1
51. ## Functions / Calculus

One of the zeros if P(x)=6^3-13^2+x+k is 2. What would be the value of k? And how would i write P(x) in factored form?
52. ## calculus

Let f(x)=–5x(x–5). Then f'(–1)= And after simplifying f'(x)= Hint: You may want to expand and simplify the expression for f(x) first.
53. ## Calculus

Differentiate the function f(t)=1/4(t^4+8). My answer wa 4t^3. The book says t^3. What am I doing wrong,
54. ## Calculus

Use the Evaluation Theorem to find the exact value of the integral ç 7 1 1/5x(dx)
55. ## calculus

find deriviative using definition lim x heads toward a of f(x)-f(a)/ (x-a) of x^5
56. ## Calculus

Find f(x) so that it satisfies: f'(x)=1+e^x+1/x and f(1) =3+e. Please show all steps so I can follow. Thanks.
57. ## Calculus

Find the antiderivative of (sqrt(x)+3/x-2e^(x))dx. Need steps so I can follow. Thanks
58. ## calculus

Differentiate the function. y = (Square root x)(x − 10)
59. ## Calculus

find the area of the region bounded by the graphs of y=-x^2+5x+2 and y=2
60. ## Calculus

How do you simplify the sqrt of z^2 + 5. Any assistance would be greatly appreciated.
61. ## CALCULUS

Find derivative of: g(theta) = cos^2(2theta-1)
62. ## Calculus

Find the anti derivative of (u^-2(1-u^2+u^4)du. Need steps so I can try to grasp this. Thanks
63. ## calculus help!!!!

Find derivative of: g(theta) = cos^2(2theta-1)
64. ## Calculus

A particle is moving as given by the data below 4sin(t)-3cos(t); s(0)=0
65. ## Calculus

let f(x)=(7+x)/(7-x), g(x)=7x/(7-x) Find formula for f*g and state the domain of the composition
66. ## calculus

If x=t^3 and y=3t^5, where t is any real number, what is the derivative of y with respect to x at x=125 ?
67. ## college calculus

use the definition of derivative to prove that lim x->0 [ln(1+x)]/[x] = 1
68. ## calculus

Can someone please help me find the arc length of this curve? x = 3y^(4/3) - 3/32y^(2/3) y is between -64 and 64
69. ## Calculus

Find the integral of x/cos^2(x^2)dx The answer is 1/2 tan (x^2) + C. Where does the 1/2 come from?
70. ## Calculus

Find a value for k so that the function is continuous. f(x) = {(x^2 + 2x - 15)/(x - 3), x ≠ 3 and 2kx - 4, x = 3 Is k = 2?
71. ## Calculus

If a ≠ 0, then the limit of (x^2 - a^2)/(x^4 - a^4) as x approaches a is: How do I do this type of problem?
72. ## Calculus

Find the point where the tangent to the curve is horizontal. f(x) = (x^2-2x+4)/(x^2+4)
73. ## collge calculus

find the derivative of y=[(4^(7x))(7^(4x))]/[10^(e)] without using logarithmic differentiation!
74. ## Calculus

Find the area of the region. f(x) = x^3 g(x) = x^4 In the graph f is above g and they both intersect at (1,1)
75. ## calculus

f(x)=(9x^2–8)^6(4x^2–5)^11 Find f'(x) I got (9x^2-8)^6 *11(4x^2-3)^10*8x+((4x^2-3)^11)6(9x^2-8)^5(18x) but im doing something wrong can someone check my work please
76. ## Calculus

Find the equation of the tangent to the curve y=e^x at the point where x=-1.
77. ## Calculus

Find the derivative of f(x)=ln(e^(2x)/((x^2-4)^3) Please show detail so I can use for reference. Thanks!
78. ## Calculus - Damon

hi sorry the first one was actually If f(x)=5x^3–2/ x^4 find f'(x)____ and for some reason the other two are wrong but thank you anyway
79. ## Calculus

Find the exact area below the curve y=x^3(4-x)and above the x-axis
80. ## calculus

Let f(x)=(x^2)+x+14. What is the value of f(x) for which the tangent line to the graph of y=f(x) is parallel to the x-axis?
81. ## Calculus

Find the derivative of the following: f(x)=ln(e^(2x)/(x^2-4)^3 Please show all steps so I can follow Thanks!

Find the area of the region. 2y=3sqrtx, y=5 and 2y+2x=5 ty
83. ## calculus

Please help. What is the area of the region which is bounded by the x-axis and by the graph of y=(20(7-x)(x-3))/x^2. Thank you for any help.
84. ## Calculus

Area of rectangle = xy = xã(4r^2 - x^2) Take the derivative. I am having trouble with the algebra.
85. ## Calculus

Solve for x: lnx^3 - 2lnx = 1 Please try and show how you got the answer best as you can thank you :)
86. ## calculus

what is the median waiting time for f(x)=((1/8)e^(-x/8))? I said the answer was 5.55 is this correct? thank you!
87. ## calculus

x(t)=3t^3-40.5t^2+162t find where object is speeding up or slowing down
88. ## calculus

Find the area enclosed by the curve x = (t^2)-2t, y = (t)^(1/2) and the y-axis.
89. ## Calculus

Find the area of the region under the curve y=x+2 over the interval [1,4].
90. ## Calculus

y = square root 256- x squared, from 7 to 16 about x axis
91. ## Calculus

Solve the differential equation dy/dx=3x^2y^2 with the condition that y(1)=4. I know that y= -1/(x^3 + c) but what do I do with the y(1)=4 part?
92. ## calculus

Find the length of the curve over the given interval: x=t+1 y=ln cos(t) for t=0 ---> t=pi/4
93. ## Calculus

Find the limit. lim x-->1 (x^3)-1/((5x^2)+2x-7) Please show steps.
94. ## Math - Calculus

Show that if f(x) is continuous and u(x) and v(x) are differentiable functions, then: d/dx ∫_v(x)^u(x) f(t)dt=u'(x)f(u(x))-v'(x)f(v(x))
95. ## calculus

x only exsists from [0,3.14] therefore what is the parallel tangent lines between f(x)=tanx and g(x)=x^2
96. ## calculus

Find the length of the curve over the given interval: x=t+1 y=ln cos(t) for t=0 ---> t=pi/4
97. ## calculus help

if y^3=6xy-x^3-1 show that the maximum value of y occurs where x^3=8+2sqrt(14)
98. ## calculus hs

Here's the question again How do I find all line through (6, -1) for which the product of x- & y- intercepts is 3? Thanks again
99. ## calculus

Make a singn diagram for the derivative of the function f(x)= (x-1)^4
100. ## Calculus 1

Find the antiderivative of f(x)=5e^x-2secxtanx showing steps please