Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = x2 - 12x - 28
A. Increasing on (-?, 6); decreasing on (6, ?)
B. Increasing on (- 6, ?); decreasing on (-?, - 6)
C. Increasing on (6, ?); decreasing on (-?, 6)
D. Increasing on (-?, - 6); decreasing on (- 6, ?)
Answer: C
Mathematics
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