Question

Complete this activity.

Given: f(x) = x 2 + 2x + 1, find f(x + h) and simplify.

Answer 1

replace all the "x" with "x+h"

Answer 2

\(f(\color{red}{x})=\color{red}{x}^2+2\color{red}{x}+1\), so
\(f(\color{blue}{x+h})=(\color{blue}{x+h})^2+2(\color{blue}{x+h})+1 \)