Question

The length l style=”color:rgb(0,0,0);background-color:transparent;”> of a rectangle is increasing
increasing at a rate of 4
4 StartFraction cm Over sec EndFraction
cmsec while the width w is decreasing
decreasing at a rate of 4
4 StartFraction cm Over sec EndFraction
cmsec. When l equals 15 cm
l=15 cm and wequals
=8
8 ​cm, find the rates of change of the​ area, the​ perimeter, and the lengths of the diagonals of the rectangle. Determine which of these quantities are​ increasing, decreasing, or constant.The rate of change of the area of the rectangle is nothing
StartFraction cm squared Over sec EndFraction
cm2sec.

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