Representing an Inverse Function Graphically

The Problem
Let . Graph and

To graph function press and enter for . Then press ZOOM, select 6, and the graph shown below appears.

 

 

To graph (x) press 2nd, PRGM [DRAW], and select 8. Now press VARS, the RIGHT ARROW KEY to Y-VARS, then press ENTER, ENTER, and ENTER. The graph of appears as shown below.

 

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