Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Review - Exercises - Page 134: 9



Work Step by Step

$Evaluate$ $the$ $expression:$ $\mid 1 - \mid -4 \mid \mid$ $\mid -4\mid = 4$ $\mid 1-4\mid$ $\mid-3\mid = 3$
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