Question

Gina pumps 40 cubic inches of air per sec. into a balloon. The function below shows the total amount of air f(t) inside the balloon after t secs.
f(w) = 40t + 5
Which statement best describes the y-intercept of the graph of the function?
Equal to 40 and represents the amt of air already present in the balloon before Gina starts blowing Or
Equal to 5 and represents the amt of air already present in the balloon before Gina starts blowing. OR
Equal to 5 and represents the amt of air in the balloon after 1 second. OR
Equal to 45 and represents the amt. of air in after 1 sec

Answer 1

Equal to 5 and represents the amt of air already present in the balloon before Gina starts blowing, the 2nd one.