Each month, Jack receives his bank statement in a 9.5 inch by 6 inch envelope. Each month, he throws away the envelope after removing the statement.

a. The width of the window of the envelope is 2.875 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(5.25) and explain what this value represents.

c. Evaluate A(10). Is this possible for this particular envelope? Explain.