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If $f :IR \to IR$ is defined by $f(x) =\bigg[\large\frac{x}{5}\bigg]$ for $ x \in IR,$ Where $[y]$ denotes the greatest integer not exceeding y, then $ (f(x):|x| < 71)=$

\[\begin {array} {1 1} (a)\;\{-14,-13,......,0,.......,13,14\}\\ (b)\;\{-14,-13,......,0,.......,14,15\}\\ (c)\;\{-15,-14,......,0,.......,14,15\} \\ (d)\;\{-15,-14,......,0,.......,13,14\} \end {array}\]

1 Answer

$ (d)\;\{-15,-14,......,0,.......,13,14\} $
answered Nov 7, 2013 by pady_1
 

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