Question

Gina pumps 40 cubic inches of air per second into a balloon. The function below shows the total amount of air f(t) inside the balloon after t seconds:

f(w) = 40t + 5
It is equal to 40 and represents the amount of air already present in the balloon before Gina starts blowing.

It is equal to 5 and represents the amount of air already present in the balloon before Gina starts blowing.

It is equal to 5 and represents the amount of air in the balloon after 1 second.

Answer 1

i think its b

Answer 2

please help

Answer 3

please help

Answer 4

hello