Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 1 - Section 1.3 - Linear Functions and Models - Exercises - Page 94: 115

Answer

slope m, ..., 3

Work Step by Step

Slope of the line $y=mx+b$ is defined as $m=\displaystyle \frac{\Delta y}{\Delta x} =\displaystyle \frac{Rise}{Run}$, If x increases by k units, y will increase by 3k units (as given by the text). So, $\displaystyle \quad m=\frac{3k}{k}=k$ The slope is $m=3$
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