Prove that the Greatest Integer Function f : R → R given by f – InterviewSolution

1.	Prove that the Greatest Integer Function f : R → R given by f ( x ) = [ x ], is neither one-one nor onto, where [ x ] denotes the greatest integer less than or equal to x .
Answer» Prove that the Greatest Integer Function f : R → R given by f ( x ) = [ x ], is neither one-one nor onto, where [ x ] denotes the greatest integer less than or equal to x .

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