A Goggle Play Music allows member to download songs for 750.00. The total monthly cost C(x) of the service in peso is C(x)=700.00 + 200x, where x is the number of the songs downloaded.

Questions:

(a) Find the inverse function
(b) What do x and C-1 (x) represent in the context of the inverse function?
(c) How many songs were downloaded if a member's monthly bill is 3, 500.00​