Precalculus (6th Edition) Blitzer

by Blitzer, Robert F.

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: 3

Answer

Fill the blank with: $4+0.15x $

Work Step by Step

Translate the text into mathematical expressions. Monthly cost = "4 ... plus (0.15 per text)" With $ x $= number of texts, Monthly cost = $4+0.15x $

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