The function is ,
.
Horizontal asymptotes are horizontal lines that the graph of the function approaches as tends to
or
.
The horizontal asymptote is .
does not exist.
Therefore, there is no horizontal asymptote.
\
Find the relative extrema.
\Consider .
Apply derivative on each side with reaspect to .
.
Find the critical points, by equating .
cannot be zero.
.
The critical number is .
Consider the test intervals to find the interval of increasing and decreasing.
\Test intervals are and
.
Test intervals | \ \
Test value \ | \
\
Sign of | \
Conclusion | \
![]() | \
![]() | \
\
| \
Decreasing | \
\
| \
![]() | \
\
| \
Increasing | \
The function is decreasing on the interval
.
The function is increasing on the interval
.
changes from negative to positive.
Therefore according to First derivative test, the function has minimum at .
When ,
.
Therefore, the relative maximum is .
Graph the function .
No horizontal asymptote.
\The relative minimum is .
Graph of the function .
.