If f: (e,oo) rarr R and f(x)=log[log (l...

If `f: (e,oo) rarr R` and `f(x)=log[log (logx)],` then `f` is -

A

f is one-one and onto

B

f is one-one but onto

C

f is onto but not one-one

D

the range of f is equal to its domain

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The correct Answer is:

A

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