College Algebra 7th Edition

by Stewart, James; Redlin, Lothar; Watson, Saleem

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 231: 3

Answer

$15$ gallons/minute

Work Step by Step

We calculate the slope using the Slope Formula and the values from the graph: $y(0) =20$ and $y(2)=50$. $m= \frac{y(2)-y(0)}{2-0}=\frac{50-20}{2}=15$ gallons/minute

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