a pizza parlor has been experimenting with lowering the price of their large one-topping pizza to promote sales. the average revenues from the sale of large one-topping pizzas on a friday night (5 p.m. to midnight) at various prices are given below. revenue from the sale of pizzas at different prices price (dollars x) revenue (dollars r) 9.25 1202.50 10.50 1228.50 11.75 1210.25 13.00 1131.00 14.25 1054.50 (a) find the function for the quadratic model that gives the average revenue in dollars where x is the price in dollars of a large one-topping pizza, with data from 9.25 ≤ x ≤ 14.25. (round all numerical values to two decimal places.) r(x)
