Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a cone with height 17 in. and radius 8 in.
A. 2277.5 in.3
B. 284.7 in.3
C. 1708.2 in.3
D. 1138.8 in.3
Answer: D
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Set up a definite integral that gives the arc length of the given curve.x = t, y = 
, - 
? t ? 
A. 
B. 
C. 
D. 
Evaluate the integral.
A. 
ln 
+ C
B. 
tan-1 
+ C
C. 
ln 
+ C
D. 2
+ 2
tan-1 
+ C
Provide an appropriate response.If r(t) is the rate of change of revenue, then 
isi) the total revenue up to time b.ii)the total revenue from time a to time b.iii) the change in revenue at any time.
A. Only iii is correct. B. Only i is correct. C. Both i and ii could be correct. D. Only ii is correct.
Solve the problem.The radius, r, of a right circular cone can be found using the formula 
where V is the volume and h is the height. If the volume is 519 cubic inches and the height is 18 inches, what is the radius? (Use 3.14 for ?, and round your answer to the nearest tenth of an inch.)
A. 2.6 in. B. 3.0 in. C. 5.5 in. D. 5.2 in.