Chapter 2, Functions - Section 2.5 - Linear Functions and Models - 2.5 Exercises: 4

15 gallons/minute

Work Step by Step

We saw in exercise #3 that the pool is being filled at the rate of $15$ gallons/minute (the slope of the graph). $m= \frac{y(2)-y(0)}{2-0}=\frac{50-20}{2}=15$ gallons/minute

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