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Water leaks from a tank at a rate R(t) where R(t)=4.7 +0.227 t gallons per hour
where t is the number of hours since 7 AM
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Interpret
8.5
(4.7 +0.227t)dt = 35.69.
2.5
Note that the "hours" indicate the time of day in military time.
O Between 9.5 and 15.5 hours, the tank lost 35.69 gallons.
O None of the other answers are correct.
O Between 2.5 and 8.5 hours, the tank lost 35.69 gallons.
Between 9.5 and 15.5 hours, the tank lowered by 35.69 feet.
Between 4.7 and 8.5 hours, the tank lost 35.69 gallons.