The Area of the Rectangle Shown Is Given by the Polynomial

Multiple Choice

The area of the rectangle shown is given by the polynomial $20 x^{2}+37 x+8$ , where the width is $4 x+$ 1. Express the length of the rectangle in terms of $x$ .

A) $20 x^{2}+33 x+7$
B) $5 x^{2}+33 x+8$
C) $5 x+8$
D) $4 x+8$