Use the Maximum/minimum Finder on a Graphing Calculator to Determine $$f ( x ) = x ^ { 4 } - 4 x ^ { 3 } - 53 x ^ { 2 } - 86 x + 5$$

Multiple Choice

Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.
- $$f ( x ) = x ^ { 4 } - 4 x ^ { 3 } - 53 x ^ { 2 } - 86 x + 5$$

A) Approximate local maximum at 0.996; approximate local minima at -3.127 and 7.052
B) Approximate local maximum at -0.944; approximate local minima at -3.192 and 7.136
C) Approximate local maximum at 0.959; approximate local minima at -3.274 and 7.077
D) Approximate local maximum at 0.908; approximate local minima at -3.107 and 7.147