Note: For any questions that asks you to enter all values, enter a list separated by commas. If there are no such values, enter “None”.
Let .
- Determine the intervals on which is concave up and
concave down. interval
- Based on your answer to part a, determine
the inflection points of .
Each point should be entered as an ordered pair
(that is, in the form ).
The inflection points are
- Find the critical numbers of and use the Second
Derivative Test, when possible, to determine the relative
extrema. List only the -coordinates.
- Find the -value(s) where has a relative maximum
or minimum.
You can earn partial credit on this problem.