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

Question

Quizplus · Accepted Answer

Using a graphing calculator to find the local extrema of the given function, the approximate local maximum and minima can be determined. The correct answer involves using the calculator's maximum/minimum finder feature to identify these points on the graph of the function.

Use the Maximum/minimum Finder on a Graphing Calculator to Determine f(x)=x4−4x3−53x2−86x−49f ( x ) = x ^ { 4 } - 4 x ^ { 3 } - 53 x ^ { 2 } - 86 x - 49f(x)=x4−4x3−53x2−86x−49

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