A rectangle has side lengths (x + 4) feet and (2x + 1) feet for x > 0. Write a function that describes the area A, insquare feet, in terms

of x. A)A(x) = 3x + 5 B)A(x) = 6x + 10 C)A(x) = 2x² + 9x + 4 D) A(x) = 2x² + 7x – 4