The average American adult receives 24 pieces of mail per week, usually of some combination of ads and envelopes with windows. Suppose each of these adults throws away a dozen envelopes per week.

a. The width of the window of an envelope is 3.375 inches less than its length x. Create the function A(x) that represents the area of the window in square inches. Simplify, if possible.

b. Evaluate A(4.5) and explain what this value represents.

c. Assume the dimensions of the envelope are 8 inches by 4 inches. Evaluate A(8.5). Is this possible for this particular envelope? Explain

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