Question: Question 9 (1 point) Water is being pumped into a lS-gallon tank. Once the volume of water in the tank reaches a certain amount, the

Question 9 (1 point) Water is being pumped into a lS-gallon tank. Once the volume of water in the tank reaches a certain amount, the tank begins to drain and continues draining until the water is completely gone. The volume of water in the tank can be modelled by the function y=-2t2+5t+7 where 3; represents the volume of water in the tank in gallons and (represents the time in hours after noon on a particular day. The time at which the tank's volume is a maximum, to the nearest tenth of an hour, would be hours

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