Question: A spherical balloon is being inflated and the radius of the balloon is increasing at a rate of 2 cm/s. (a) Express the radius r

A spherical balloon is being inflated and the radius of the  balloon is increasing at a rate of 2 cm/s.

(a) Express the radius r of the balloon as a function of the time it (in seconds).

(b) If V is the volume of the balloon as a function of the radius, find V ∘ r and interpret it.

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