The function is for
.
Consider .
Solve above equation for in terms of
.
.
.
Find the domain of the inverse function .
Domain of the inverse function is same as the range of .
For , the range of
is
.
Therefore, domain of the inverse function is
.
To express the inverse function interms of
, interchange
and
then
the resulting equation is .
,
.
Inverse of the function is ,
.