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Let f(x) be a continuous function, AA x ...

Let f(x) be a continuous function, `AA x in R, f(0) = 1 and f(x) ne x` for any `x in R`, then show `f(f(x)) gt x, AA x in R^(+)`

A

f(f(x))=x for some x `in` R

B

`f(f(x))gt x AA x in R`

C

`f(f(x))lt x AA x in R`

D

None of these

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