HELP!!!!!
Janice is working as a babysitter for the Harold Family. They plan to leave for their
date at 7:00 pm and be back by 12:00 am. If the equation f(x) = 15x + 20 models the
amount that Janice will earn, where x is the number of hours she works, and f(x) is the
total money she earns, what is an appropriate domain?
A- any value greater than zero
B-any value between zero and five
C-any value between 15 and 20
D-any value between -1 and one