Determine where the function is increasing and where it is decreasing.f(x) = -x2 - 2x
A. increasing on (-1, ?)
decreasing on (-?, -1)
B. increasing on (-?, 1)
decreasing on (1, ?)
C. increasing on (-?, -1)
decreasing on (-1, ?)
D. increasing on (1, ?)
decreasing on (-?, 1)
Answer: C
Mathematics
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A. n = 
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A. 
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D. 
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