Identify the intervals on which the given function is increasing, decreasing, or constant.
A. inc (-?, -2), (-2, 0)
dec (0, 2)
const (2, ?)
B. inc (-?, -2), (0, 2)
dec (-2, 0)
const (2, ?)
C. inc (-2, 0)
dec (0, 2)
const (-?, -2), (2, ?)
D. inc (-?, -2), (-2, 0)
dec (0, 2), (2, ?)
Answer: A
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