Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.8 - Modeling with Equations - Concept and Vocabulary Check - Page 121: 2

Answer

Fill the blank with: $31 +2.4x $

Work Step by Step

Translate the text into mathematical expressions. Thus, "31 ... increased by approximately 2.4 each year" =31 +2.4$\times $(number of years) If x is the number of years, then the percentage is $31 +2.4x $ .
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