Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down. + O A) Local minimum at x = 1; local maximum at x = -1; concave down on (-00,00) B) Local minimum at x = 1; local maximum at x = -1; concave down on (0, 0); concave up on (-0,0) C) Local minimum at x = 1; local maximum at x = -1; concave up on (-00,00) Local minimum at x = 1; local maximum at x = -1; concave up on (0,0); concave
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