Question: A rectangle initially has dimensions 5 cm by 7 cm. All sides begin increasing in length at a rate of 1 cm / s.

A rectangle initially has dimensions 5 cm by 7 cm. All sides begin increasing in length at a rate of 1 cm / s. At what rate is the area of the rectangle 'increasing after 19 s? After 19 s, the area of the rectangle is increasing at a rate of 0

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