A rectangular field is to have an area of 500 m². a. Write the perimeter, P, of the field as a function of the width, W. b. Find the domain of the function in part a. c. Use a graphing calculator to sketch the graph of the function in part a. d. Describe what the graph found in part c tells you about how the perimeter of the field varies with the width. a. The perimeter, P, of the field as a function of the width, W is P(W) =

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