A school wishes to enclose its rectangular playground using 160 meters of fencing. Suppose that a side length (in meters) of the playground is x, as shown below. |(a) Find a function that gives the area A (x) of the playground (in square meters) in terms of x. a (4) = 0 (b) What side length x gives the maximum area that the playground can have? Side length x : meters (c) What is the maximum area that the playground can have? Maximum area:| square meters

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