Use the Maximum/minimum Finder on a Graphing Calculator to Determine $$f ( x ) = 0.01 x ^ { 5 } - x ^ { 4 } + x ^ { 3 } + 8 x ^ { 2 } - 7 x + 81$$

Multiple Choice

Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.
- $$f ( x ) = 0.01 x ^ { 5 } - x ^ { 4 } + x ^ { 3 } + 8 x ^ { 2 } - 7 x + 81$$

A) Approximate local maxima at -1.926 and 2.312; approximate local minima at 0.335 and 79.257
B) Approximate local maxima at -1.778 and 2.322; approximate local minima at 0.384 and 79.267
C) Approximate local maxima at -1.861 and 2.247; approximate local minimum at 0.423
D) Approximate local maxima at -1.861 and 2.247; approximate local minima at 0.423 and 79.192