Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

APPENDIX A - Numbers, Inequalities, and Absolute Values - A Exercises - Page A10: 63


$a\lt (a+b)/2 \lt b$

Work Step by Step

Add $a$ to both sides Divide by 2 Then Add $b$ on both sides Divide by 2 Combine the inequalities and result is $a\lt (a+b)/2 \lt b$
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