In order to graph the
inverse of a function, first make sure that the function
has been graphed. As an example, 
is entered using the Y = key and graphed below in a standard
viewing window.
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To graph the inverse of ,
, in the
same viewing window press 2nd followed by PRGM [DRAW], and then
select 8:DrawInv. After DrawInv appears on the screen, press
VARS, right arrow to Y-VARS, press ENTER to select 1:Function,
then press ENTER to select 1: 
.
Press ENTER once again to see the graphs.
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