Determine where the function is increasing and where it is decreasing.f(x) = -x2 - 6x - 5

A. increasing on (4, ?)
decreasing on (-?, 4)
B. increasing on (-?, 4)
decreasing on (4, ?)
C. increasing on (-3, ?)
decreasing on (-?, -3)
D. increasing on (-?, -3)
decreasing on (-3, ?)


Answer: D

Mathematics

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