Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 2 - Section 2.4 - Linear Functions and Slope - Exercise Set - Page 153: 80


See below.

Work Step by Step

$f(x)$ is in the form $f(x)=mx+b$, thus the slope is $m=-0.28$, which means the rate of change of $f(x)$ per unit change of $x$ is $-0.28$. Thus the percentage of US taxpayers audited by the IRS decreases by $0.28$ percent each year.
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