Use Interval Notation to Write the Intervals Over Which F $( - \infty , - 2 )$

question 20

Multiple Choice

Use interval notation to write the intervals over which f is (a) increasing, (b) decreasing, and (c) constant.
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• A) a. \(( - \infty , - 2 )\) b. \(( - 2 , \infty )\) c. never constant
• B) a. \(( - \infty , 2 )\) b. \(( 2 , \infty )\) c. \(x = 2\)
• C) a. \(( - \infty , 2 )\) b. \(( 2 , \infty )\) c. never constant
• D) a. \(( - \infty , - 1 )\) b. \(( - 1 , \infty )\) c. never constant

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