Identify intervals on which the function is increasing, decreasing, or constant.f(x) = 0.5(x + 4)2 - 8
A. Increasing: (-4, ?); decreasing: (-?, -4)
B. Increasing: (-?, -0.5); decreasing: (0.5, ?); constant: (-0.5, 0.5)
C. Increasing: (4, ?); decreasing: (-?, -4); constant: (-4, 4)
D. Increasing: (-?, -4); decreasing: (-4, ?)
Answer: A
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