Determine the open intervals on which the graph is concave upward or concave downward. g(x) = 9x2 − x3 Concave upward: (−∞, −3) (−∞, 3) (−3, ∞) (3, ∞) none of these Concave downward: (−∞, −3) (−∞, 3) (−3, ∞) (3, ∞) none of these

Determine the open intervals on which the graph is concave upward or concave downward. g(x) = 9x2 − x3 Concave upward: (−∞, −3) (−∞, 3) (−3, ∞) (3, ∞) none of these Concave downward: (−∞, −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.
g ( x ) = 9 x 2 x 3
Concave upward: ( , 3 ) ( , 3 ) ( 3 , ) ( 3 , ) none of these
Concave downward: ( , 3 ) ( , 3 ) ( 3 , ) ( 3 , ) none of these

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