. Question 2 For the given cost function C(x) = 16900 + 500x + x- find: a) The production level that will minimize the average cost b) The minimal average cost . Question 7 0.8t The concentration of a drug t hours after being injected is given by C(t) = - . Find the t 2 + 60 time when the concentration is at a maximum. Give your answer accurate to at least 2 decimal places. hours. A baseball team plays in a stadium that holds 62000 spectators. With the ticket price at $8 the average attendence has been 28000. When the price dropped to $5, the average attendence rose to 31000. Assume that attendence is linearly related to ticket price. What ticket price would maximize revenue