College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 5 - Systems of Equations and Inequalities - Exercise Set 5.1 - Page 528: 59

Answer

a. P(x) = 20x - 10000 b. $190000

Work Step by Step

a. Profit is revenue - cost P(x) = R(x) - C(x) Substitute R(x) = 50x and C(x) = 10000 + 30x into P(x) = R(x) - C(x) P(x) = 50x - (10000 + 30x) P(x) = 20x - 10000 b. P(x) = 20x - 10000 P(10000) = 20(10000) - 10000 P(10000) = 190000
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