Question

O GRAPHS AND FUNCTIONSWord problem involving composition of two functions

Answer 1

we have the formula of Volume

`V(r)=(4)/(3)\pi r^3`

The radius is given by

`W(t)=5t+3`

we have that

`M(t)=V(W(t))`

substitute

`M(t)=(4)/(3)\pi(5t+3)^3`