Question: A swimming pool is being drained at a constant rate measured in inches per hour. The water level lowers approximately 4 inches every 4 hours.

A swimming pool is being drained at a constant rate measured in inches per hour. The water level lowers approximately 4 inches every 4 hours. The water was originally 140 inches above the pool floor. Determine the water level W as a function of time in hours, t .

W = W ( t )

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