Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 2 - Section 2.5 - Linear Functions and Models - 2.5 Exercises - Page 195: 3

Answer

$15$

Work Step by Step

Slope is equal to $\frac{rise}{run}$. This graph increases by $30$ gallons and then goes to the right $2$ minutes, so its slope is $\frac{30}{2}$, which is equal to $15$.
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