Q.72 Consider the following behaviours of function in (-1, 1) Continuity IV. I. Increasing II. Decreasing III. Derivability

Question

Q.72 Consider the following behaviours of function in (-1, 1)
Continuity IV.
I.
Increasing
II.
Decreasing
III.
Derivability
Which one of the following four functions exhibits atleast three of the four mentioned above?
(A) max (x, x³)
(B) max (x,x²})
(D) max (x, [x]}
(C) max (x,x|}
where [] denotes greatest integer function.

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