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1) The length x of a rectangle is decreasing at the rate of 5 cm/minute & the width y is increasing at the rate of 4 cm/minute . When x=8 cm and y=6 cm ,find the rate of change of the perimeter of the rectangle.2) The length x of a rectangle is decreasing at the rate of 5 cm/minute & the width y is increasing at the rate of 4 cm/minute . When x=8 cm and y=6 cm ,find the rate of change of the area of the rectangle. |
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Answer» 1) The length x of a rectangle is decreasing at the rate of 5 cm/minute & the width y is increasing at the rate of 4 cm/minute . When x=8 cm and y=6 cm , find the rate of change of the perimeter of the rectangle. 2) The length x of a rectangle is decreasing at the rate of 5 cm/minute & the width y is increasing at the rate of 4 cm/minute . When x=8 cm and y=6 cm , find the rate of change of the area of the rectangle. |
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