Ma The length & of a rectangle is increasing at a rate of 4 cm / sec while the width w is The rate of change of the area of the rectangle is cm / sec. decreasing at a rate of 4 cm / sec. When & = 12 cm and w =5 cm, find the rates of change of the area, the perimeter, and the lengths of the diagonals of the (Simplify your answer.) rectangle. Determine which of these quantities are increasing, decreasing, or constant