\"\"

\

\

The function is \"\", \"\".

\

Find the critical numbers by applying derivative .

\

\

\"\"

\

Equate it to zero .

\

\"\"

\

Therefore the critical numbers are \"\" and \"\".

\

\

Test intervals are \"\", \"\", \"\" and \"\".

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
Test intervals \

Test value

\
\

Sign of \"\"

\
Conclusion
\"\"\"\" \

\"\"

\
Decreasing
\"\"\"\" \

\"\"

\
Increasing
\

\"\"

\
\"\" \

\"\"

\
Decreasing
\"\"\"\" \

\"\"

\
Increasing
\

The function \"\" is increasing on the intervals \"\" and \"\".

\

The function \"\" is decreasing on the intervals \"\" and \"\".

\

\"\"

\

The function \"\" is increasing on the intervals \"\" and \"\".

\

The function \"\" is decreasing on the intervals \"\" and \"\".