Inverses
Finding the Inverse
Example 2
Find the inverse of
Step 1. Write the original function using y notation.
![Inverse Ex2-1 Inverse Ex2-1](../../http://claregladwinresd.glk12.org/file.php/36//Linear/images/Inverse_Ex2-1.png)
Step 2. Interchange x and y.
![Inverse_Ex2-2 Inverse_Ex2-2](../../http://claregladwinresd.glk12.org/file.php/36//Linear/images/Inverse_Ex2-2.png)
Step 3. Solve the new equation for y.
![Inverse Ex2-3 Inverse Ex2-3](https://claregladwinresd.glk12.org/pluginfile.php/2271/mod_book/chapter/4340/Linear/images/Inverse_Ex2-3.png)
Step 4. Simplify if possible and change to inverse function notation.
![Inverse_Ex3-4 Inverse_Ex3-4](https://claregladwinresd.glk12.org/pluginfile.php/2271/mod_book/chapter/4340/Linear/images/Inverse_Ex3-4.png)