Ahair-styling salon charges $11.00 for a haircut, and an average of 75 people stop in for haircuts each day. the owner is thinking of increasing the price, and he estimates that every time he raises the price of a haircut by $1.00, the number of people coming in for haircuts will decrease by 3 per day. which of these functions represents the estimated revenue per day from haircuts as a function of the number of dollars the price of a haircut is raised?