Find a and k and then evaluate the function. Round your answer to three decimal places when necessary.Let f(x) = 20 + a(2kx) with f(0) = 70 and f(1) = 420. Find f(2).
A. a = 5, k = 3, f(2) = 340
B. a = 50, k = 3, f(2) = 3220
C. a = 50, k = 3, f(2) = 3200
D. a = 50, k = 3, f(2) = 84
Answer: B
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dx = -3 cot 
+ C
A. No B. Yes
Find the area of the surface generated when the given curve is revolved about the x-axis. y = 
+ 
on 
A. 
B. 
C. 
D. 
Use the apportionment criterion to decide who should get an additional representative if another member is added to the total number of representatives.Subdivision A, with 540 residents, has 6 representatives in the City Hall, while Subdivision B, with 785 residents, has 9 representatives.
A. Subdivision B B. Subdivision A
Determine the standard equation of the hyperbola with the given characteristics.The vertices are at (-6, 0) and (6, 0), and the foci are at (-8, 0) and (8, 0).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1