If $ f: R \rightarrow R $, then $ f(x)=|x| $ is

JEE MATHEMATICS MCQ: FUNCTIONS

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f: R \rightarrow R

, then

f(x)=|x|

View answer and explanation

Correct option: D

None of these

Option D (None of these) is correct because the function is neither one-to-one nor onto, as it is many-to-one and its range is a subset of the codomain.

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