Determine where the function is increasing and where it is decreasing.f(x) = x2 + 2x - 8
A. increasing on (-?, -9)
decreasing on (-9, ?)
B. increasing on (-9, ?)
decreasing on (-?, -9)
C. increasing on (-1, ?)
decreasing on (-?, -1)
D. increasing on (-?, -1)
decreasing on (-1, ?)
Answer: C
Mathematics
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