Mathematics Homework Help

You pay $56 to rent a hotel room, but if you rent more than one room, you get a discount of $2 per room for each additional room rented.

(c) Say you rent n rooms. Find a formula showing how much each one costs as a function of n.
R = (No Response) 

(d) Say you rent n rooms. Find a formula showing how much you will pay for all n rooms combined as a function of n.
C = (No Response)