x -2 -1 0 1 2   g(x) -4 -1 4 11 20   The table above gives values of a function g at selected values of x. Which of the following statements, if true, would be individually sufficient to conclude that there exists a number c in the interval [-2, 2] such that g(c) =6? I. g is defined for all x in the interval [-2, 2] II. g is increasing on the interval [-2, 2] III. g is continuous on the interval [-2, 2].

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