Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 8 - Section 8.3 - Polynomial and Rational Functions - Practice - Page 591: 4

Answer

a) 50.80 b)5.8

Work Step by Step

$C(x)=(.8x+5000)/x$ a) 100 books $C(x)=(.8x+5000)/x$ $C(100)=(.8*100+5000)/100$ $C(100)=(80+5000)/100$ $C(100)=5080/100$ $C(100)=50.8$ b) 1000 books $C(x)=(.8x+5000)/x$ $C(1000)=(.8*1000+5000)/1000$ $C(1000)=(800+5000)/1000$ $C(1000)=5800/1000$ $C(1000)=5.8$
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