Martin wants to build an additional closet in a corner of his bedroom. Because the closet will be in a corner, only two new walls need to be 1 built . The total length of the two new walls must be 12 m. Martin wants the length of the closet to be twice as long as the width, as shown in the diagram.
b) Let the function f(l) be the sum of the length and the width. Find the equation for f(1).
c) Graph y = f(l).
d) Find the desired length and width. ile riding a
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