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Questions  >>  CBSE XII  >>  Math  >>  Relations and Functions
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Q)

Given the Function $f:R\rightarrow R$, given by $f(x)=[x]$, where $[x]$ denotes the greatest integer less than or equal to $x$ which of the following is true?

A) $f$ is one-one only B) $f$ is onto only C) $f$ is one-one and onto D) $f$ is neither one-one, nor onto

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