Question: In Exercises 49 and 50, a rectangles length L(t) and width W(t) (measured in inches) are varying in time (t, in minutes). Determine A(t) in

In Exercises 49 and 50, a rectangle’s length L(t) and width W(t) (measured in inches) are varying in time (t, in minutes). Determine A(t) in each case. Is the area increasing or decreasing at that time?

At t = 3, we have L(3) = 4, W(3) = 6, L'(3) = −4, and W'(3) = 5.

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