The function is
.
is increasing over its entire domain,
. To verify this, note that
is
positive on the domain of
.
So,
is strictly monotonic and it must have an inverse function.
Find inverse function.
\
.
Interchange the variables
and
.

Solve for
.




Graph:
\Graph the functions
and
.
Observe the graph:
\Graphs of
and
are reflection about the line
.
The inverse of the function is 
Graph the function and its inverse:
\Graphs of
and
are reflection about the line
.