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# The change in volume

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Water is poured into a funnel at the constant rate of 1 in^3/sec and flows out at a rate of 1/2 in^3/sec. The funnel is a right circular cone with a height of 4 inches and a radius of 2 inches at the base. How fast is the water level changing when the water is 2.5 inches high? Show all work.

##### Solution Summary

The change in volume is assessed. How fast the water level is changing when the water is 2.5 inches high.

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