A record club has found that the marginal profit P x in cents is given by P x 0 0005x 0 38x 61 5x for x 700 where x is the

Question

A record club has found that the marginal profit P x in cents is given by P x 0 0005x 0 38x 61 5x for x 700 where x is the number of members currently enrolled in the club Approximate the total profit when 420 members are enrolled by computing the 6 sum P x Ax with Ax 70 i 1 CO The total profit when 420 members are enrolled is approximately Round to the nearest cent as needed Marginal profit in cents AP x 0 0005x 0 38x 61 5x 66 000 52 800 39 600 26 400 13 200 0 0 VV 100 200 300 400 500 600 700 Number of members Q Q

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