V. DRAW Menu
B. DRAW Inverse
This menu option will draw the inverse of a graph but does not give the definition of the inverse. TABLE, TRACE, etc will not be accessible for the inverse drawn. It is a drawing only. If the function is not 1:1 then the inverse is not a function.
Example: Draw the inverse of the function shown below.
Enter the function.


Set a window to fit
the function. 

Graph the function.


Access the DRAW
menu and select item 8. 

This will appear on
the home screen. 

Go to the
VARS button. 

Select YVARS.


Select Function.


Select item 1 and
this screen will appear. 

Press enter and the
inverse graph will be drawn. 
To delete the inverse, enter 1.