7. [0/4.16 Points] DETAILS PREVIOUS ANSWERS LARCALC9 3.4.011. Determine the open intervals on which the graph is concave upward or concave downward. 23 f(x) = x2 + 12 Concave upward: (-2,-2) O (-2, 2) O (-3, -2) U (2, …) O (-0,00) O none of these Concave downward: 0 (-0, -2) O (-2, 2) 0 (-00, -2) U (2,0) O (-0,0) none of these X
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