O The equation y = 15x represents the dollar amount a football team earns as a function of the number of tickets sold for its end-of-season banquet. The table shows the budget balance as the team pays for table rentals. Number of Tables Rented 0 1 2 3 Budget Balance($) 900 876 852 828 a. What is the rate of change for the money earned by the football team? What does this represent? b. What is the rate of change of the budget balance? What does this represent? c. If one table seats 8 guests, does the football team earn more from ticket sales or spend more on table rentals? Explain.