99 points if you answer correctly
a transaction is positive if there is a sale and negative when there is a return. each time a customer uses a credit card for a transaction, the credit company charges isabel. the credit company charges 1.5% of each sale and a fee of 0.5% for returns.

a) let x represent the amount of a transaction and let f(x) represent the amount isabel is charged for the transaction. write a function that expresses f(x). (10 points)
b) graph the function. (10 points)
c) what are the domain and range of the function? (5 points)