What is the rate of change in this linear function? In other words, by how much does the number of gallons of water in the pool change for every hour?
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g
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1
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250
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750
1,000
1,250
1,500
1,750
2,000
2,250
2,500
Time in hours
Gallons of water in the pool
The rate of change is
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1 answer
The rate of change in this linear function is determined by the rate at which Julian is filling the pool. In this case, he is filling the pool at a rate of 500 gallons per hour.
Therefore, for every hour that passes, the number of gallons of water in the pool increases by 500 gallons.
So, the rate of change is 500 gallons per hour.
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