The function is
.
Rewrite the function as
.
Differentiate the function with respect to
.
.
Recall the derivative of the exponential function :
.


.
Find extrema by equating the first derivative to zero.
\

Substitute the
value in original function.


The function has extrema at
.
Determine nature of the extrema, using second derivative test.
\Consider
.
Apply derivative with respect to
.
.

.
| Point | \Sign of ![]() | \
![]() | \
\
| \
The absolute maximum at
.
For inflection points, equate second derivative to zero.
\

Inflection points :
\Inflection point at
.

Inflection point at
.

Inflection points are
and
.
Graph :
\Draw a coordinate plane.
\Graph the function
.
Observe the graph :
\The function has the absolute maximum at
.
Inflection points are
and
.
The function has absolute maximum at
.
Inflection points are
and
.