Find the Intervals on Which the Given Function Is Increasing $-$

question 161

Multiple Choice

Find the intervals on which the given function is increasing and the intervals on which it is decreasing. f ( x ) = $-$ 2 x 2 $-$ 16 x $-$ 49

• A) \(\text { Increasing on } ( - \infty , - 4 ] \text { and decreasing on } [ - 4 , \infty )\) .
• B) \(\text { Increasing on } [ - 4 , \infty ) \text { and decreasing on } ( - \infty , - 4 ]\) .
• C) \(\text { No correct answer }\) .

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