Find the Critical Number(s), If Any, of the Function $f ( x ) = x ^ { 3 } - 21 x + 4$

question 159

Multiple Choice

Find the critical number(s) , if any, of the function $f ( x ) = x ^ { 3 } - 21 x + 4$ .

• A) 4
• B) \(- 4\)
• C) \(\pm \sqrt { 7 }\)
• D) \(\pm 7\)

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Definitions:

Evaluation

The process of assessing or judging the value, performance, or quality of something through analysis.

Distress

High levels of stressors that have destructive and negative effects on effort and performance.

Stressors

Factors or conditions that induce stress, potentially leading to a range of psychological and physiological responses.

Performance

The level of achievement or effectiveness of an individual or organization in accomplishing goals or tasks.