Find a Rational Zero of the Polynomial Function and Use $$f ( x ) = x ^ { 3 } - 8 x ^ { 2 } - x + 8$$

question 21

Multiple Choice

Find a rational zero of the polynomial function and use it to find all the zeros of the function.
- $$f ( x ) = x ^ { 3 } - 8 x ^ { 2 } - x + 8$$

• A) \(\{ 1 , - 1,8 \}\)
• B) \(\{ - 1,2 , - 4 \}\)
• C) \(\{ 1,2,4 \}\)
• D) \(\{ 1 , - 1 , - 8 \}\)

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