The area of a rectangle, expressed as a function of the width w, is A = 2w^2 -3w +2. Find the area of the rectangle if the width is 3 inches.

Question

Find the area of the rectangle if the width is 3 inches.

Answer 1

A = 2(3)^2 - 3(3) +2 = 18-9+2= 11 square inches

A = 2w^2 -3w +2

width = 3 inches, length = 11/3 = 3 2/3 inches