Use the Maximum/minimum Finder on a Graphing Calculator to Determine $$f ( x ) = x ^ { 4 } - 3 x ^ { 3 } - 21 x ^ { 2 } + 74 x - 41$$

question 18

Multiple Choice

Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.
- $$f ( x ) = x ^ { 4 } - 3 x ^ { 3 } - 21 x ^ { 2 } + 74 x - 41$$

• A) Approximate local maximum at 1.604; approximate local minima at -3.089 and 3.735
• B) Approximate local maximum at 1.649; approximate local minima at -3.098 and 3.768
• C) Approximate local maximum at 1.541; approximate local minima at -3.113 and 3.799
• D) Approximate local maximum at 1.593; approximate local minima at -3.004 and 3.645

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