Q.72 Consider the following behaviours of function in (-1, 1) I. Increasing II. Decreasing IV. Derivability Which one of the following four functions exhibits atleast three of the four mentioned above? (A) max (x, x) (C) max (x,|x|} where [] denotes greatest integer function. III. Continuity (B) max (x, x) (D) max (x, [x]}