To establish a driver education school, organizers must decide how many cars, instructors, and students to have. Costs are estimated as follows.

Annual fixed costs to operate the school are $32,000. The annual cost per car is $3000. The cost per instructor is $13,000 and one instructor is needed for each car. Tuition for each student is $357. Let x be the number of cars and y be the number of students.

a). Write an expression for total cost. The Total Cost expresson is:

b). Write an expression for total revenue. The Total Revenue Expression is:

c). Write an expression for total profit. The Total Profit expression is:

d). If the school uses 4 cars and serves 250 students, will the school make a profit or a loss? The school will make a