Use the Maximum/minimum Finder on a Graphing Calculator to Determine $$f ( x ) = x ^ { 4 } - 4 x ^ { 3 } - 53 x ^ { 2 } - 86 x - 49$$

Multiple Choice

Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.
- $$f ( x ) = x ^ { 4 } - 4 x ^ { 3 } - 53 x ^ { 2 } - 86 x - 49$$

A) Approximate local maximum at -0.944; approximate local minima at -3.192 and 7.136
B) Approximate local maximum at 0.871; approximate local minima at -3.229 and 7.085
C) Approximate local maximum at 0.943; approximate local minima at -3.113 and 7.216
D) Approximate local maximum at 1.001; approximate local minima at -3.14 and 7.159