Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.2 Real Numbers and Their Properties - R.2 Exercises - Page 21: 89



Work Step by Step

$P_d=\mid P-120\mid$ Here, $P=116$, we substitute in the equation: $P_d=\mid 116-120\mid$ $P_d=\mid -4\mid$ $P_d=4$
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