abs(f(x)-f(y))le(x-y)^2 forall x,y in R ...

`abs(f(x)-f(y))le(x-y)^2 forall x,y in R and f(0)=1` then

A

`f(x) lt 0 forall x in R`

B

`f(x) gt 0 forall x in R`

C

`f(x) = 0 forall x in R`

D

`f(x)=1`

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