Find the elasticity.q = D(x) = 
A. E(x) = 800x(x + 7)
B. E(x) = 
C. E(x) = 
D. E(x) = 
Answer: B
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Find the length of the curve.y = 
(x4/3 - 2x2/3) from x = 1 to x = 8
A. 23
B. 
C. 
D. 
Solve the problem.A nuclear cooling tower cross section is a hyperbola with a diameter of 64 ft at the center. The distance between the two foci is 90 ft. What is an equation for the hyperbola?
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve.The width of Ashley's house is 
. An extension adds an extra 
to the width. What is the width of Ashley's house after the extension?
A. 
B. 
C. 
D. 
Find the volume of the prolate spheroid (a solid of revolution in the shape of a football, i.e., elongated vertically) obtained by revolving the region under the graph of the function
?
?
from 
to 
about the 
-axis.
What will be an ideal response?