= Homework: Section C4.2 Enhanced Homework Question 18, C4.2.37-BE HW Score: 72.5%, 14.5 of 20 points Points: 0 of 1 Save x A record club has found that the marginal profit, P'(x), in cents, is given by P'(x) = - 0.0008x* + 0.38x- + 39.7x for x 400, where x is the number of members currently enrolled 28,000-P'(x) = -0.0008x3 + 0 38x2 +39 7x in the club. Approximate the total profit when 240 members are enrolled by computing the sum _ P' (x; ) Ax with Ax = 40. 22,400- i = 1 16,800- Marginal profit (in cents) 11,200- 5,600- 100 200 300 400 Number of members The total profit when 240 members are enrolled is approximately $ 20356.8 (Round to the nearest cent as needed.) X Vi Vi More Textbook Ask my instructor Clear all Check