Use calculus and a graphing calculator to find the approximate location of all relative extrema.
-$f(x)=x^{4}-4 x^{3}-53 x^{2}-86 x-43$
A) Approximate local maximum at 0.93 ; approximate local minima at -3.123 and 7.129
B) Approximate local maximum at -0.944 ; approximate local minima at -3.192 and 7.136
C) Approximate local maximum at 1.019; approximate local minima at -3.107 and 7.153
D) Approximate local maximum at 0.85 ; approximate local minima at -3.14 and 7.176

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The Answer of Use calculus and a graphing calculator to find the approximate location of all relative extrema.
-$f(x)=x^{4}-4 x^{3}-53 x^{2}-86 x-43$
A) Approximate local maximum at 0.93 ; approximate local minima at -3.123 and 7.129
B) Approximate local maximum at -0.944 ; approximate local minima at -3.192 and 7.136
C) Approximate local maximum at 1.019; approximate local minima at -3.107 and 7.153
D) Approximate local maximum at 0.85 ; approximate local minima at -3.14 and 7.176

Use Calculus and a Graphing Calculator to Find the Approximate f(x)=x4−4x3−53x2−86x−43f(x)=x^{4}-4 x^{3}-53 x^{2}-86 x-43f(x)=x4−4x3−53x2−86x−43

Use Calculus and a Graphing Calculator to Find the Approximate $f(x)=x^{4}-4 x^{3}-53 x^{2}-86 x-43$