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
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
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