Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.

Published by Pearson

ISBN 10: 0-32184-874-8

ISBN 13: 978-0-32184-874-1

Chapter 3 - Introduction to Graphing - 3.4 Rates - 3.4 Exercise Set - Page 185: 7

Answer

dollars per mile

Work Step by Step

To find the average rate of change, divide the cost by the distance flown: Average Rate = $\dfrac{300\text{ dollars}}{150 \text{ miles}}=2 \text{ dollars per mile}$

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