Question

Debbie bought a rectangular rug for her bedroom. The length of the rug is 8 inches greater than the width, w, in inches. Choose a function, f(w), that describes the area, in square inches, of Debbie's rug?

Answer 1

Explanation:

the area of a rectangle is

length × width

length = w + 8

f(w) = (w + 8) × w = w² + 8w