Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 1 - Section 1.2 - Functions and Models - Exercises - Page 72: 19c

Answer

700 (copies need to sold to break even)

Work Step by Step

Breakeven occurs when $P=0$, or $R(x)=C(x)$. The break-even point is the number of items $x$ at which break even occurs. ----------------- Using the result of part (a), $P(x)= 0.10x-70,$ $P(x)=0$ $0.1x-70=0$ $0.1x=70\qquad/\div 10$ $x=700$ The break-even point is 700 (copies sold)
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