### Home > PC > Chapter 2 > Lesson 2.2.1 > Problem 2-41

2-41.

1. Substitute *y* for *f*(*x*).

2. Switch every *x* for *y* and every *y* for *x*.

3. Solve for *y* which is *f*^{ −1}(*x*).

2-41.

1. Substitute *y* for *f*(*x*).

2. Switch every *x* for *y* and every *y* for *x*.

3. Solve for *y* which is *f*^{ −1}(*x*).