Solve the problem.A farmer has 1600 yards of fencing to enclose a rectangular garden. Express the area A of the rectangle as a function of the width x of the rectangle. What is the domain of A?

A. A(x) = -x2 + 800x; {x|0 < x < 800}
B. A(x) = -x2 + 1600x; {x|0 < x < 1600}
C. A(x) = -x2 + 800x; {x|0 < x < 1600}
D. A(x) = x2 + 800x; {x|0 < x < 800}


Answer: A

Mathematics

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