### Home > PC > Chapter 6 > Lesson 6.1.3 > Problem6-43

6-43.

Find the inverse of $f ( x ) = 1 + \frac { x } { x + 2 }$.

1. Change $f\left(x\right)$ to $y$.
2. Switch every $y$ to $x$ and every $x$ to $y$.
3. Solve for $y$.