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