Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.f(x) = 0.01x5 - x4 + x3 + 8x2 - 7x + 21
A. Approximate local maxima at -1.766 and 2.242; approximate local minima at 0.437 and 79.097
B. Approximate local maxima at -1.861 and 2.247; approximate local minimum at 0.423
C. Approximate local maxima at -1.861 and 2.247; approximate local minima at 0.423 and 79.192
D. Approximate local maxima at -1.907 and 2.286; approximate local minima at 0.462 and 79.231
Answer: C
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