Use calculus and a graphing calculator to find the approximate location of all relative extrema.f(x) = x4 - 4x3 - 53x2 - 86x + 64
A. Approximate local maximum at 0.947; approximate local minima at -3.191 and 7.075
B. Approximate local maximum at 0.902; approximate local minima at -3.267 and 7.19
C. Approximate local maximum at -0.944; approximate local minima at -3.192 and 7.136
D. Approximate local maximum at 0.874; approximate local minima at -3.269 and 7.189
Answer: C
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A. - 
B. 
C. - 
D. 
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