Mathematics, 04.03.2021 06:40, paytonthalacker

Rachel's backyard swimming pool is being emptied by a pump. The amount of water in the pool W is measured in gallons. The amount of time the pump is running is T measured in hours. The equation is: W = -250T + 9,000. How many gallons of water are being pumped out per hour? Hint: From the equation, what is the rate of change? (gallons/hour

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Rachel's backyard swimming pool is being emptied by a pump. The amount of water in the pool W is mea...