Respuesta :

we have the formula of Volume

[tex]V(r)=\frac{4}{3}\pi r^3[/tex]

The radius is given by

[tex]W(t)=5t+3[/tex]

we have that

[tex]M(t)=V(W(t))[/tex]

substitute

[tex]M(t)=\frac{4}{3}\pi(5t+3)^3[/tex]

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