Question

Which expression is equivalent to the area of metal sheet required to make this square-shaped traffic sign?

A square shaped traffic sign is shown with length of one side labeled as x + 1.

x2 + 2x + 1

x2 + x + 1

x^2 + 2x

x^2 + 1

Answer 1

Answered this in the last one:

If the side length is x+1, then the area is the (side length)^2, or (x+1)^2.

(x+1)^2 = (x+1)(x+1) =