How fast is the area of the rectangle changing

Reference no: EM13178804

During an animation sequence, a rectangle on a computer screen changes size. The width is increasing at 2 cm/s while the height is decreasing at 1.5 cm/s. How fast is the area of the rectangle changing when the width is 10 cm and the height is 15 cm? Is the area decreasing or increasing?

Reference no: EM13178804

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