# Calculus (Answer Check)

88,703 results, page 73

1. ### calculus

I solved this problem, can someone check it to make sure I did it right. There are two parts to this intrepation and estimate of the value. Let C(t) be the total value of the US currency (coins and banknotes) in circulation at time, t. The table gives values of this function ...
2. ### Calculus--complex numbers

let z= a+bi be a complex number. it is given that the quotient (z-i)/(z-1) is purely imaginary. show that z lies on a circle and determine the centre and radius of this circle. OK, here's my working out...( i am using "X" as my times symbol) step1: (a+bi-i)/(a+bi-1)X[(a-1)-bi...
3. ### English

A. Zach enjoyed biking to his job at the Bistro Cafe'. the early morning ride gave some serenty to his hectic schedule. Opening the restaurant allowed him to get everything ready before the rest of the crew arrived. 1. In the above passage, an example of a concrete noun is? ...
4. ### English

Can someone please help me answer these questions and check question 1 please? Thank you. 1) How can words or stories connect generations? Words can allow stories to go through and be passes from generation to generation. 2) How can interactions between generations create ...
5. ### Calculus Please Help

A continuous function f, defined for all x, has the following properties: 1. f is increasing 2. f is concave down 3. f(13)=3 4. f'(13)=1/4 Sketch a possible graph for f, and use it to answer the following questions about f. A. For each of the following intervals, what is the ...
6. ### Calculus Please Help

A continuous function f, defined for all x, has the following properties: 1. f is increasing 2. f is concave down 3. f(13)=3 4. f'(13)=1/4 Sketch a possible graph for f, and use it to answer the following questions about f. A. For each of the following intervals, what is the ...
7. ### ENGLISH 11

1. When Thomas Paine writes about reconciliation, he is referring to (1 point) {A.}the southern Colonies staying peacefully connected to the northern Colonies. B.the Colonies staying peacefully connected with Great Britain. C.the Colonists staying peacefully connected to ...
8. ### English

Can you please check these sentences? I forgot to include them before. I really need to check them with you. 1) My family and I have been on holiday in (to?) Greece (he has come back from Greece). We stayed on (not in) Mikonos, a little island... 2) There wasn't (any necessary...
9. ### Math (Riemann Sums)

Measurements of a lake’s width were taken at 15-foot intervals, as shown: x= 0 15 30 45 60 75 90 105 120 f(x)= 0 15 18 20 19 23 24 22 12 Estimate integral (0,120) f(x) dx with n = 4, using Midpoint approximation. For this question, I ended up with 7200 but compared to the ...
10. ### (For BobPursely )

Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz. http://www.kursus...
11. ### Math check my answer

During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula M = 176 – 0.8A, where M is the maximum heart rate and A is the person’s age. Approximately, at what age would you have a recommended heart rate in beats per minute of 125? (1 ...
12. ### calculus

find f(x,y+k)-f(x,y)/k when f(x,y)=x^2y+2xy^2
13. ### Pre Calculus

Formula: a = b = c
14. ### Pre Calculus

Formula: a = b = c
15. ### Calculus

If a, b, and c are digits for which 7 a 2 -4 8 b ========= c 7 3 then a + b + b = _______ (A) 14 (B) 15 (C) 16 (D) 17 (E) 18
16. ### calculus

how do u find the inverse of 2^-t/4
17. ### Calculus?

If a, b, and c are digits for which 7 a 2 -4 8 b ========= c 7 3 then a + b + b = _______ (A) 14 (B) 15 (C) 16 (D) 17 (E) 18
18. ### Calculus

(1 - x)^4 * (2x - 1)^5 its a derivative how can i solve this?
19. ### calculus

Find f(4) if S (0 to x) dt=xcospix.

gfk
21. ### Calculus

Minimize S=x+2y with xy=2 and both x and y > 0
22. ### Calculus

Find the derivative of f 0f x. f(x) = x^2 - 8x - 17 at x = 4
23. ### Calculus

Find the derivative of f 0f x. f(x) = x^2 - 8x - 17 at x = 4
24. ### calculus

f(x)={4x+5 if x<3 17 if x=3 2^x+4 if x>3 determine if f is continuous at x=3
25. ### Calculus?

how do you expand Ln abs(ã7 x^3+2x^2)
26. ### calculus

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

How do we integrate xlne^x .
28. ### Calculus

How do we integrate 1/lnx.
29. ### Calculus- Help please

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

How do I take the integral of (9t^3 - 3t^2 + t)/3t?
31. ### Calculus

Let f(x)=7x/x–6 Then f'(9)= And after simplifying f'(x)=
32. ### calculus

what is the integral of x^(2)arctan(6x) dx?
33. ### Calculus

What's the derivative of y=400(2)^(x+3)

R+10=100+12R
35. ### Calculus

Let a=8, f(x)=|x-8|/x Is the value of the limit 0.
36. ### calculus

what's integration of (tanx)^5?
37. ### calculus

Expand the binomial: y = (x-3)^4
38. ### Calculus _HS

Let f(x) = x2-x-6/x g(x) = x-3, find (f+g)(x) (f-g)(x) (f/g)(x) Help !!! thanks
39. ### calculus

Differentiate the funciton H(x) = (x + x^-1)^3
40. ### calculus

Differentitate the function y =4(pi)^2
41. ### differential calculus

differentiate h(x)= 6x^2 - 1 / x^4 + 5x + 1
42. ### 12th AP Calculus

find the dy/dx of: x^2=(x-y)/(x+y)
43. ### Calculus

find the derivative of f(x)=(3)/(x-2) at x=4
44. ### calculus

differentiate y = (cos x)/ (x^9)
45. ### calculus

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

what is the limit of x/(ln x) as x approaches 0?
47. ### calculus

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

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

solve 4x^3-6x+2=0 for all x
50. ### calculus

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

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

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

What is the integral of sin4xcos4x dx?
54. ### Calculus

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

what is the limit as x -> 0+ (0 from the right) of |x|/x?
56. ### calculus

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

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

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

how do you intergrate (sqrt(ln r))/r
60. ### Calculus

Let P(x,y)=5x^3y+8xy^3. Then Px(-1,1) is? And Pxy(-1,1) is?
61. ### calculus

what's the derivative of cos3x
62. ### Calculus

Find the F^(-1) (6) - inverse f(x) = x^5 + 3x^3 + x + 1
63. ### Calculus

Solve for x 100 x (1/2)^t/3.8
64. ### Calculus

Solve for t 100 x (1/2)^t/3.8
65. ### Calculus

If f(t)=(t^2+6t+2)(3t^2+3) then f'(t)=_____? and f'(3)=______?
66. ### Calculus

If f(x)=6arcsin(x^3) find f'(x)
67. ### Calculus

Given that f(x)=x^6h(x) h(-1)=3 h'(-1)=6 Calculate f'(-1).
68. ### calculus

solve for x: a)e^x=5 b) lnx=2
69. ### Calculus

Find the Derivative of (7x^2-6)^8(-4x^2-3)^9
70. ### calculus

find the intercept of y=4x^2+3
71. ### calculus

how do you solve e^(9ln2)
72. ### Calculus

cos4x^2 + sin4x^2?
73. ### Calculus

What is the derivative of f(x)=5^x log6(x)?
74. ### calculus

what is the derivative of (sin^2)x ?
75. ### Calculus

What is the difference between f'(x), y', and dy/dx?
76. ### Calculus

What are the critical points of f(x)= e^x / 3+e^x?
77. ### calculus

find dy/dx x=sin y
78. ### calculus

what is the derivative of y = (1/2)xln(x)
79. ### calculus

derivative of f(y)=yln(1+e^y)
80. ### calculus

find the derivative (1+x)(2+x)....(10+x)
81. ### calculus

find the derivative of f(x)= ln ln ln x
82. ### Calculus

What is the orthogonal trajectory of y^2 - x^2 = C ??
83. ### Pre-Calculus

How do I find xy^-2(xy^2 - 4y^4) ??
84. ### calculus

what is the square root of 64?
85. ### calculus

f(x) = tan^2x+ sinx then f ' (pi/4) =
86. ### Pre-Calculus

How do you factor x^3 - 64?
87. ### calculus

find the area of x^2+x+2 and 3x+3
88. ### calculus

If: Y(s)=16s2-5s Find Y'(s).
89. ### calculus

Is the function f(x)=x²(4-x)² even?
90. ### Calculus

If Y(s)=(1/16s^2)-(1/5s) Find Y'(s).
91. ### calculus

Find f'(a) for f(x)=13x/3x+1
92. ### calculus

How do I integrate 1-e^-kt from 0 to infinity?
93. ### calculus

Given f(x)=x^2-4 and g(x)=1-x and k(g(x))=f(x) find k(x) and then k'(x).
94. ### calculus

find the derivative of g(y)= (y^2/(y+3))^3
95. ### calculus

Evaluate lim as x-> 1 (x^2 + |x -1| - 1 ) / ( |x-1| )
96. ### calculus

evaluate the integral: (x^3)/((x^2)+1)
97. ### Calculus

Dy/dx of e^4square root of x
98. ### Calculus

Dy/dx of e^4square root of x
99. ### Calculus

derivative of cot(6/x)
100. ### Calculus

derivative of (4Cos^2(3x)+3)^2