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If f(x) =|x|, x in R, then...

If `f(x) =|x|, x in R`, then

A

`f(x) = 2f(x)`

B

`f(x)=x`

C

`f(x) = (f xx f)(x)`

D

`f(x) =(fof)(x)`

Text Solution

Verified by Experts

The correct Answer is:
D
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