Let f (x) = {{:(min (x"," x ^(2)), x ge...

Let `f (x) = {{:(min (x"," x ^(2)), x ge 0),( max (2x "," x-1), x lt 0):},` then which of the following is not true ?

f (x) is not differentiable at `x=0`

f (x) is not differentiable are exactly two points

f (x) is continous everywhere

f (x) is strictly increasing `AA x in R`

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