' 3 2 10%| given by P'{x) = 0.0008): + 0.22): + 51 .2x for x s 300, where x is the number of members currently enrolled in the club. Approximate the total prot when 180 members are enrolled by E computing the sum 2 P' (xi) x with Ax = 30. i=1 A record club has found that the marginal profit: PDQ, in cents: is A Q a Marginal prot (in cents) 0 100 200 300 Number o1 members The total prot when 130 members are enrolled is approximately $D. (Round to the nearest (3th as needed.)