Precalculus (6th Edition) Blitzer

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

Chapter 1 - Review Exercises - Page 302: 67


a. $0.2$ b. $0.2$, $0.2\%$ per $year$.

Work Step by Step

a. To find the slope of the line segment representing liberal college freshmen, use the given coordinates of the two end points $m=\frac{27-21}{2010-1980}=\frac{6}{30}=0.2$ b. For the period shown, the percentage of liberal college freshmen increased each year by approximately $0.2$. The rate of change was $0.2\%$ per $year$.
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