Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 1 - Linear Functions - Chapter Review - Review Exercises - Page 40: 55


a. 40 pounds. b. $\$ 280$

Work Step by Step

$C(x)=3x+160$ R(x)=px, where p is the price per unit $R(x)=7x$ a. Break-even quantity: the number of units x for which C(x)=R(x) $3x+160=7x$ $160=4x$ $40x=x$ The break-even quantity is 40 pounds. b. $R(40)=7\cdot 40=280$
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