16. A satellite dish company charges a one-time installation fee of $75 and then a monthly usage charge of $40. The total cost of using that satellite service is given by the function C(t) = 40t + 75, where t is the time
(in months) since starting the service. For the situation given below, describe the new function using the
graph of C(t) = 40t + 75 as a reference.
a. The satellite dish company reduces its one-time installation fee to $60. What
change would you make to the graph of C(t) = 40t + 75 to obtain the new graph?
b. The satellite dish company decreases its monthly fee to $30. What change would
you make to the graph of C(t) = 40t + 75 to obtain the new graph?
C.
What is the new function with both changes?