Determine the X Values That Cause the Polynomial Function to Be

question 49

Multiple Choice

Determine the x values that cause the polynomial function to be (a) zero, (b) positive, and (c) negative.
- $$f ( x ) = ( x + 2 ) ( x + 1 ) ( x - 2 )$$

• A) (a) \(\{ 2,1 , - 2 \}\), (b) \(( - 2 , - 1 ) \cup ( 2 , \infty )\), (c) \(( * , - 2 ) \cup ( - 1,2 )\)
• B) (a) \(\{ - 2 , - 1,2 \}\), (b) \(( - 2 , - 1 ) \cup ( 2 , \infty )\), (c) \(( \infty , - 2 ) \cup ( - 1,2 )\)
• C) (a) \(\{ - 2 , - 1,2 \}\), (b) \(( \infty , - 2 ) \cup ( - 1,2 \}\), (c) \(( - 2 , - 1 ) \cup ( 2 , \infty )\)
• D) (a) \(\{ - 2 , - 1,2 \}\), (b) \(( - 2,2 )\), (c) \(( \infty , - 2 ) \cup ( 2 , \infty )\)

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