Water is leaking out of a swimming pool that measures 20 ft by 40 ft by...

 

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Water is leaking out of a swimming pool that measures 20 ft by 40 ft by 6 ft. The amount of water in the pool at a time t is W(t) = 48,000 - 23t2 gallons, where t equals the number of hours since the pool was last filled. At what rate is the volume changing when t = 6 h? Water is leaking out of a swimming pool that measures 20 ft by 40 ft by 6 ft. The amount of water in the pool at a time t is W(t) = 48,000 - 23t2 gallons, where t equals the number of hours since the pool was last filled. At what rate is the volume changing when t = 6 h?

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