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QUESTION
Water is pumped out of a holding tank at a rate of 5-5e-.09t liters/minute, where t is in minutes since the pump is started.
Water is pumped out of a holding tank at a rate of 5-5e-.09t liters/minute, where t is in minutes since the pump is started. If the holding tank contains 798 liter of water when the pump is started, how much water does it hold one hour later?
