# Pre- Calculus

21,868 results, page 55

1. ### calculus

what is the differential of ln (x)sqr?
2. ### Calculus

A function has f''(x) = 10 and has f'(4) = 0 and f(2)= 4. Find f(x).
3. ### Calculus

explain why f(x)=(1)/(x^2-9) is discontinoues at x=-3
4. ### Calculus

Given dy/dt=4y and y(2)=450. Find y(8).
5. ### Calculus

I'm not sure how to solve the equation 5^x-12*(5^-x)-1=0
6. ### calculus

Find dx at (-5,6) if x2 + y2 =0 2 Marks dy
7. ### calculus

Maximize p = x + y subject to x + 3y <=4 3x + y<= 4 x >=0, y >=0
8. ### Calculus

Finf (dy/dx) y=(1+28x^3)f(x)+(6x)g(x)(x^4+5x+7)+(6x)g(x)(x^4+5x+7)-(e^x+7x^4)f(x)+3x^2g(x)(4x^3+5+7)/((x^4+5x+7)^2
9. ### calculus

cos^-1(cos15pi/6)
10. ### calculus

Find the derivative... 1) f(u)= 1/ (2u^2-1)^2
11. ### calculus

Solve following equations e^2x-4e^x+3=03
12. ### calculus

If f(x)=the integral of (3x^2+2x+4) dx, find C if f(1)=10.
13. ### calculus

why is the derivative of f(x)= e^lnx f'(x)=1?
14. ### Calculus

Can someone please tell me how to derive V=4/3pi(r)^3 to get x^2+y^2=r^2?
15. ### calculus

lim as x-> 0 of 3x/(sin2x)
16. ### Calculus

A function has f''(x) = 10 and has f'(4) = 0 and f(2) = 4. Find f(x).
17. ### Calculus

Determine the value of k so that u=[2,5] and v=[k,4] are perpendicular.
18. ### calculus

how do i reduced 76/100
19. ### Calculus

e^(1+2lnx) ----------- x^2 simplify
20. ### calculus

Let f and g be differentiable everywhere. If g is the inverse of f and g(-2)=5 and f'(5)=-1/2, then g'(2)=? PLEASE HELP! Thanks
21. ### calculus

use differentials to estimate ln(e^4 +1) - ln(e^4)
22. ### Calculus

How do we integrate xlne^x .
23. ### calculus

domain of abs(7x-11)
24. ### Calculus

How do we integrate 1/lnx.
25. ### Calculus

Differentiate y=log(8x^2-3x+9)
26. ### Calculus

Differentiate y=log(8x^2-3x+9)
27. ### calculus

Find lim f(x) for f(x)=Ix-3I/x-3 x->3
28. ### calculus

Find an antiderivative P(t) of p(t)=t^7-(t^5/5)-t
29. ### Calculus

If f(x)=(x^2+1)^(2-3x), then f'(1) = -3/2ln(2)-1/2 Is this correct?
30. ### Calculus

Sinx=e^y , 0 <x <pi, what is dy/dx in terms of x?
31. ### calculus

differentiate y = (cos x)/ (x^9)
32. ### Calculus

Given f(x)=x2+3x-5 on [-1,3] show f(x)= 10 without solving for x
33. ### calculus

Evaluate the integral ((6x+7)/(x^(2)-8x+25))dx. Please and thank you.
34. ### calculus

Integral -csc^2 (2x+9)dx
35. ### calculus

Evaluate the integral: ç[(6x+7)/(x^(2)-8x+25),x]
36. ### Calculus

Solve: 20 = 10 (2^x)(ln2)
37. ### calculus

integral cos(4z-5)dz
38. ### calculus

integral 3z^6 sqrt(2-3z^7)dz
39. ### Calculus

What is the derivative of tan(1-x)^(1/2)?
40. ### calculus

Find dy/dx, if y= (sinx)^-1
41. ### calculus

Find dy/dx, if y= 5e^x/cosx
42. ### calculus

y= x / (x^2+x) what are the discontinuities on this graph ?
43. ### Calculus

(kx^2)+m, x<-2 g(x)=e^(ln(2x+3))-2<x<3 kx-m, x>3 Find values of k and m
44. ### calculus

Find an antiderivative G of g(x)=1/x^4
45. ### calculus

differentiate y=x sin((4)/x)
46. ### calculus

What is the area under each of the given curves? y=e^x/2 ; x=0 x=1
47. ### Calculus

what is the limit of x/(ln x) as x approaches 0?

49. ### calculus

Find the derivative of: g(x)=ln(ln(x+1))+e^(x^(3/2)+(x/3))

I don't know how to do this, so I can't graph it. f(x)= 1/x-4 Thank you for the help.
51. ### calculus

solve the equation: 6P=Pe^1.1t
52. ### Calculus

Find (dy/dx) for the equation (7x+8y/9x-4y)=4. a. (dy/dx)=(-29/24) b. (dy/dx)=(43/24) c. (dy/dx)=(29/24) d. (dy/dx)=(-43/24) e. (dy/dx)=4
53. ### calculus

Determine l= 2e^xdx, given that l=50.2, when x=3
54. ### Calculus

Which of the following is not a solution to the following equation? x^3-5x^2+4 = 0 x = 0 x = 4.83 x = -0.83 x = 1
55. ### Calculus

F(x) = x^2 sin x F'(x) y= tan x/x^2 y'=
56. ### calculus

y = (sin x) / (1 + tan x)
57. ### Calculus

What would the derivative of c(x) = (10 - x) + 1.4*sqrt((x^2) + 25)
58. ### calculus

DERIVATIVE of: g(x) = Sq.root of x^4-8x^3+9 thanks
59. ### Algebra with calculus

Solve for n: I=nE/nr+R not sure how to do this
60. ### Calculus

find the second derivative of f(x)=3/(x^2+12)
61. ### Calculus

Find dy/dx. e^(xy)=sin(x)
62. ### Calculus

integrate: (x^2-3)sqrt (x+5)
63. ### calculus

lim x->(pi/3) (cos x -(1/2))/(x-(pi/3)) is?
64. ### calculus

F(x)= ln (cos theta) f'(x)
65. ### Calculus

Use logarithmic differentiation: F(x)= (3x+6)^4 (x^3 -2)^5
66. ### calculus

Let y = sin(x^2-3). find dy.
67. ### Calculus

How do you simplify vectors? 1)AB + BC + CD 2) BC - FE - BA + DE - DC
68. ### calculus

The value of c for which f(x) = x + c/x has a local minimum at x= 3 is (a) -9 (b) - 6 (c) -3 (d) 6 (e) 9
69. ### calculus

If f''(x)=-4sin2x, f(0)=0 and f'(0)=2, find the value of f(pi/4).
70. ### calculus

Find the second derivative of: h(t)= (t^2 + 5)^8
71. ### Calculus

help! ∫((ln x^2)/x)) dx u= ln x^2 du= 2 ln x dx (?) Not sure how to set this one up?
72. ### calculus

how do you integrate 30x^2/(x-2)(x+3)(x-5)
73. ### Calculus

Given f''(x)= -4sin(2x) and f'(0)=4 and f(0) =-6. Find f(pi/2)
74. ### Calculus- math

integral of (2x) / [(x+2)(x+1)]
75. ### calculus

how do you integrate 30x^2/(x-2)(x+3)(x-5)
76. ### Calculus AB

Solve graphically (x-2)^3(x+4)(3-x)^2(x+1)^4 <0
77. ### calculus

Derivative of y=in((e^-2x)(cos4x))
78. ### calculus

find the derivative of y= (1-x/7)^-7
79. ### Calculus

I'm trying to find out what the graph of: y= |x+1| + |x+2| looks like. could someone help me out?
80. ### Calculus

Find the derivative of y = 4^2x.
81. ### Calculus

if h(x)= (the antiderivative of) 2x^2 +8x-5 dx find h'(x)
82. ### calculus

Find the product [ 3 8 ] [ 4 5 ] 6 3 4 4
83. ### Calculus

Differentiate: a. y = (x + 3)(x^2 −5x +1) b. y = x^2e^x
84. ### Theoretical Calculus

I have too much swag
85. ### Calculus

Given vectors u= (3, -4, 1) and v= (2, 1, -5) Find: a) u x v b)|u x v|
86. ### Calculus

dP/dt = k(P-a) dP/dt = kP-ka dP/P = k-ka is this right so far? was i supposed to distribute??? what do i need to do next???
87. ### Calculus

What is the derivative of 2^(5x)tan(x^2)
88. ### calculus

7cosx+5sinx=2k+1 6 35 3 14
89. ### CALCULUS

Find the derivative : g(t)=t/(t+1)
90. ### Calculus

find dy/dx for the following function. y = ln((7x - 15)/(x(x^2 + 1)^(1/7))
91. ### calculus

Let be a function that satisfies
92. ### calculus

limit as x approaches 1 x^2-4/x-1
93. ### calculus

Use logarithmic differentiation: F(x)= (3x+6)^4 (x^3 -2)^5 f'(x)=
94. ### Calculus

Find: 1)x^2-y^2=15, normal at (-8,7)
95. ### calculus ab

What is the integral of sin4xcos4x dx?
96. ### calculus ab

What is the integral of sin4xcos4x dx?
97. ### calculus

Find lim as (x,y) goes to (0,0) of (e^(-x^2-y^2)-1)/(x^2+y^2).
98. ### calculus

Let f: R®R be defined by Determine whether or not f is a) one-to-one b) onto