The volume (r) (in cubic meters) of a spherical balloon with radius r meters is given by V(r) = 4/3πr³. The radius W (t) (in

Question

The volume (r) (in cubic meters) of a spherical balloon with radius r meters is given by V(r) = 4/3πr³.
The radius W (t) (in meters) after t seconds is given by W (t) = 5t+3.
Write a formula for the volume M (t) (in cubic meters) of the balloon after t seconds.
It is not necessary to simplify.
M(t) =

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