Determine where the function is increasing and where it is decreasing.f(x) = x2 - 8x

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


Answer: D

Mathematics

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