1. A rectangle has a perimeter of 80 cms. If its width is x, express its length and area in terms of x and find the maximum area. 2. A baseball team plays in a stadium that holds 55,000 spectators. With ticket prices at $10.00, the average attendance had been 27, 000. When ticket prices were lowered to $8, the average attendance rose to 33,000. a) Find the Demand function, assuming it is linear. b) How should ticket prices be set to maximize revenue