## Question

The length of a rectangle is increasing at a rate of cm/s and its width is increasing at a rate of cm/s. When the length is cm and the width is cm, how fast is the area of the rectangle increasing?

cm^{2}/s

The length of a rectangle is increasing at a rate of cm/s and its width is increasing at a rate of cm/s. When the length is cm and the width is cm, how fast is the area of the rectangle increasing?

cm^{2}/s