Determine the open intervals on which the graph is concave upward or concave downward. g(x) = x2+1 9−x2 Concave upward: (−∞, −3) (−3, 3) (3, ∞) (−∞, ∞) none of these Concave downward: (−∞, −3)∪(3, ∞) (−∞, −3) (−3, 3) (−∞, ∞) none of these
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Determine the open intervals on which the graph is concave upward or concave downward.