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A swimming pool currently contains 500 gallons of water. Water is drained from the pool at a constant rate of 4 gallons per minute. Write the linear function that models the amount of water in the pool in terms of the time since the drain was opened. What is the domain of this function? How much water will be left in the pool after 14 minutes? How long will it take for the amountof water in the pool to be reduced to 392 gallons?

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