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 -0.944 ; approximate local minima at -3.192 and 7.136
B) Approximate local maximum at 1.02 ; approximate local minima at -3.167 and 7.046
C) Approximate local maximum at 0.852 ; approximate local minima at -3.234 and 7.127
D) Approximate local maximum at 0.935 ; approximate local minima at -3.119 and 7.198

Question

Quizplus · Accepted Answer

The correct answer is A because the maximum/minimum finder on a graphing calculator gives the approximate local maximum at -0.944 and approximate local minima at -3.192 and 7.136.

Use the Maximum/minimum Finder on a Graphing Calculator to Determine f(x)=x4−4x3−53x2−86x+5f(x)=x^{4}-4 x^{3}-53 x^{2}-86 x+5f(x)=x4−4x3−53x2−86x+5

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