# Pre- Calculus

21,824 results, page 72

1. ### Calculus

Find the indicated limits. Lim x-> 1- sqrt 1 - 1/ x-1
2. ### Calculus

Determine all values of x for which each function is discontinuous. F(x)= 3x+4 / 4x^2 - 2x -2
3. ### calculus

Largest 5 dizit number exactly divisible by 32 ?
4. ### Calculus ll

find the second order derivative, rxy(x,y) for r(x,y)=xy/8x+5y
5. ### calculus

find equation of a tangent line to y=x^3-5x+6 at the point where x=2
6. ### calculus

Find all relative extreme points y=x e^-x
7. ### calculus

how do you know when a graph concave upwards just not getting it.
8. ### calculus

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

find critical values for the function sqrt x^2+x-20
10. ### CALCULUS

FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD (X^4-16)^5 X^3 DX
11. ### CALCULUS

FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD e^3X DX
12. ### CALCULUS

FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD DX/1+5X
13. ### CALCULUS

FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD X^3+X^2/3X^4+4X^3 DX
14. ### CALCULUS

FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD X^3+X^2/3X^4+4X^3 DX
15. ### CALCULUS

FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD ç(X^4-16)^5 X^3 DX
16. ### CALCULUS

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

FIND EACH INDEFINITE INTERGRAL BY THE SUBSTITUTION METHOD çe^3X DX
18. ### calculus

Demostrate that: d/dx [tan^-1(x)]= 1/1+ x^2 -> using implicit differentiation.
19. ### calculus

Demostrate that: d/dx [tan^-1(x)]= 1/1+ x^2 -> using implicit differentiation
20. ### 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?
21. ### Calculus

Given f'(x)=7cosx–11sinx and f(0)=1, find f(x)= ____?
22. ### calculus

Find the average value of the function f(x) = (2x - 5)^2 on the interval [1, 2].
23. ### Calculus

how to convert this from rectangular to polar? r=cos theta
24. ### calculus

For the function y=-3+4 cos(5pi/6(x+4)) , what is the minimum value?
25. ### Calculus

put function in standard form f(x)=-4x^2-32x+9
26. ### calculus

Find the angle of intersection between the curves f(x) = 2x + 3 and g(x ) = - 3x + 1
27. ### calculus

Let C be the portion of the curve y =8(x^(1/2)0 between (1,8) and (25, 40). FindçC 2yds.
28. ### calculus

what is the derivative of y = (4x squared - 5/2x+3)raise to 3/2 three halves..
29. ### calculus

what is the derivative of y = (4x squared - 5/2x+3)raise to 3/2 three halves..
30. ### differential calculus

find the implicit function of x^3+3^y=3xy
31. ### calculus

Find all points Q such that (i) d(P,Q)= 5 when P= (3,-3), (ii) the x-coordinate of Q = 6
32. ### calculus

Find the points of intersection of the curves y=2sin(x-3) and y=-4x^2 + 2
33. ### calculus

Find so that the following function is continuous on any interval: f(x)=kx 0<x<4, and f(x) = 5x^2 if 4<x
34. ### Calculus

find f(3) and f'(3), assuming that the tangent line to y=f(x) at a=3 has the equation y=5x+2.
35. ### calculus and precal

find k such that f(x)=3k-2x+3kx^2-x^3 has a factor of (x-2).
36. ### Calculus

find an equation for the line tangent to y=2-6x^2 at (-5,-148)
37. ### calculus

What is the fourth derivative of this fifth degree polynomial? 5x^5+2x^4+7x^3+x^2+x+42?
38. ### MATH - Calculus

Evaluate the following limit: e) lim f(x)-f(a)/ x - a x-> a if f(x) = x^2 + 5
39. ### MATH - Calculus

Evaluate the following limit: e) lim f(x)-f(a) / x - a x->a if f(x) = x^2 + 5
40. ### Calculus

FIND THE LIMIT As x approaches 0: tan 5 x/sin 25 x
41. ### Calculus

Find lim x->-3+ x-3/x^2 -9 =? I'm really confused on this concept.
42. ### calculus

What is the slope and y-intercept of the line whose equation is 4x+y+6=0.
43. ### Calculus

proof that the limit as x approaches 2 of x to the 4th equals 16
44. ### Calculus

Suppose g (x) is increasing and concave up everywhere and g (A) = 9, g '(A) = 17, h = 0.01 estimate g(A-h)
45. ### calculus

Need help asap! what is the limit as x approaches 0 of -x/tan(3x) ?
46. ### calculus

Describe the interval(s)on which the function f(x)=(x-11/x^2-121) is continuous.
47. ### calculus

identify the type of curve and sketch the graph of y2-2x+6y+5=0
48. ### Calculus

Use interval notation to indicate where f(x) is continuous. f(x)= 7x^8-5x^4+4
49. ### calculus

using f'(x) as the limit of h approaches 0 [f(x+h)-f(x)]/h find: f'(x), given f(x)=|x|
50. ### Calculus

Find one sided limit lim x->2+ 1/(1+e^(1/x-2))
51. ### calculus

find an equation of the tangent line to the curve at y=2x^3+5x, (-1, 3)
52. ### Calculus

Find the derivative of the function y=x2 + 2x + 1/ square root of x2 + 2x -1
53. ### Calculus

lim X--> 0 from the left (9/x - 9/|x|) Find the limit if it exists
54. ### Calculus

Find the value of a≥0 that maximizes the integral from 0 to a of (4-x²)dx. Thank you!
55. ### calculus

the value of f(4) is negative, but the function is increasing rapidly at x=4
56. ### calculus

Find ther derivative of the functions. a. f(x)=(4x-x^2)^100 b. f(x)=(1+2x+x^3)^1/4
57. ### Calculus

Find dy/dx by implicit differentation. ysin(x^2)=-xsin(y^2)
58. ### Calculus

find the horizontal tangents of the curve and show how. y=x^3-2x^2+x+1
59. ### Calculus (derivatives)

find the slopes at the indicated points y = 3 + 5x - 3x^3 (0,3), (1/2, 41/8), (2,-11)
60. ### Calculus

equation of tangent line of the function sqrt (3x+5) where x=10
61. ### calculus

Find the derivative of the function y(x)=c^x+x^c. Assume that c is a constant.
62. ### Calculus

Evaluate the indefinite integral: ∫ from 1 to 2 of ln (x²e^x) dx Thank you for your help!!
63. ### Calculus

find the dy/dx of s(t)= (4/3pi)sin3t+(4/5pi)cos5t
64. ### Calculus

Show that the sum of the series ∑n(p^n) from n=1 to infinity (where 0<p<1) is S=p/(1-p)^2
65. ### Calculus

Find the Critical Numbers? 1.) f(x) = 2x^3 + 3x^2 + 36x x=? 2.) g(t) = |5t − 4| t=?
66. ### Calculus

Find the value of the derivative at each indicated extremum.
67. ### calculus

find the equation of the tangent line for (xy)^2+(xy)-x=11 at the point (-11,0)
68. ### calculus

find y' by implicit differentiation: 5cos(x)*sin(y)=13
69. ### calculus

find the tangent to the ellipse £¨x^2/4)+(y^2/4£©=1 at the point (1,rad(3)).
70. ### 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.
71. ### Calculus

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

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

Find an equation of the tangent line to the curve at (8,0). y=ln(x^2 -8x +1)
74. ### 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
75. ### calculus

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

If f(x) = x ln(1+x) estimate the value of ln (2.1) given that ln2 = 0.6931.
77. ### 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.
78. ### calculus

find the area of the region under y=6 ln(3 x) and above y=8 for 4<x<7
79. ### 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?!
80. ### 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?!
81. ### calculus 1a

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

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

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

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

Find the total area bounded by the curves y = x^3 and y = x^5 .
86. ### Math (Calculus)

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

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

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

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

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

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

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

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

find the derivative of t=(Sqroot of X^2+1/2)+a-2/3 please help fast!!
95. ### 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?
96. ### math/calculus

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

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

Find all the relative extrema of f(x) = x = x3 – 3x2 + 4.
99. ### 12th Grade Calculus

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

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