College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.5 - Linear Functions and Models - 2.5 Exercises - Page 232: 30



Work Step by Step

We are told that the slope is $-\frac{4}{5}$, so $a=-\frac{4}{5}$. We are also told that the y-intercept is $-2$, so $b=-2$. The equation must be: $k(x)=ax+b=-\frac{4}{5}x-2$
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