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The length x, of a rectangle is decreasing at the rate of 5 cm/min and the width y, is increasing at the rate of 4 cm/min. When x=8 cm and y=6 cm, find the rate of change of area of the rectangle.

Answer» The length x, of a rectangle is decreasing at the rate of 5 cm/min and the width y, is increasing at the rate of 4 cm/min. When x=8 cm and y=6 cm, find the rate of change of area of the rectangle.


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