please help!
The equation y 5 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.

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.