KEAM 2014 Math Paper

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Question : 57 of 120

Marks: +1, -0

Let f(x)=|x−2|, where x is a real number. Which one of the following is true?

f is periodic
f(x=y)=f(x)=f(y)
f is an odd function
f is not a 1-1 function
f is an even function

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