How do i answer these questions

well basically for the first question it gives you

The rate that increases. which is 0.03 per second

And that R = 48 inches at time.

and T= 0.

The question wants you to determine the volume of the balloon at the time and find the volume when t= 300 seconds. so just replace 0 to 300.

answer

the correct answer is

explanation

the given function is

the excluded values are obtained by solving:

we factor to obtain:

the excluded values are