This is Section 3.3 Problem 31: A concert organizer Ieamed From a market survey that when the admlon price ls\\$30l there is an avelage attendance of 800 people. For every $1 drop In prlce, there Is a gain of 20 customers. Each customer spends an avelage of $5 on concessions. The concert hall has 1,000 seats. (a) The demand function, expressed by p , the price In dollars charged For each ticket, as a function of x, the number of average attendance, ls p-D(x)- _20x2 + 16035): x , where x ls dened between and (b) The revenue Function is R(x)- , where x ls dened between 0 J and 1000 (c) To maximize iis revenue, the price the concert organizer charges should be 32.5 V dollars for ead'l ticket. (Keep 2 dedmal places (rounded), unless the exact answer has fewer dedmal places.) t' symbolic lurmatling help