The number of hours P that Stephen spends playing PlayStation 4 (PS4) each day is a function of the number of days t it has been since January 10; write P = f (t).
(a) What does the vertical intercept of this function represent in the context of Stephen
playing PS4? What about horizontal intercepts?
(b) Interpret the following statement in the context of Stephen playing PS4: f (4) = 1.
