Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 11 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).

A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 


Answer: D

Mathematics

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