Question

Suppose a spherical balloon grows in such a way that after t seconds, its volume is V = 4 sqrt(t) cm3.

What is the volume of the balloon at time t = 25 seconds?: V =?

Answer 1

the volume at time t = 25 seconds
since  V = 4 sqrt(t) cm3, 
 V(5)= 4*sqrt(25)cm^3=4*5=20cm^3