Consider the function .
For this function there are three important intervals:
, , and where
and are the critical values.
Find
and
For each of the following intervals, tell whether
is increasing (type in INC) or decreasing (type in DEC).
:
:
has an inflection point at
where is
Finally for each of the following intervals, tell whether
is concave up (type in CU) or concave down (type in CD).
: