Find the open intervals where the function is concave upward or concave downward. Find any inflection points.
A. Concave upward on (-?, -2); concave downward on (-2, ?); no inflection points
B. Concave upward on (-2, ?); concave downward on (?, -2); inflection point at (-2, 2)
C. Concave upward on (-?, -2); concave downward on (-2, ?); inflection point at (-2, 2)
D. Concave upward on (-2, ?); concave downward on (-?, -2); no inflection points
Answer: A
Mathematics
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