Part 1 Suppose Sally want to put a fence around a rectangular field where the width w is two times the length 1 Give an expression for the perimeter of the field in terms of its length 1 perimeter Is the perimeter of the field function of its length O yes O no Explain with one sentence why or why not Part 2 Is the area of the field a function of its length O yes O no Explain with one sentence why or why not