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Functions

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  • if R is a relation from X to Y then X is called .........
    Domain
  • if R is a relation from X to Y then Y is called .........
    codomain
  • if R = { (1,2) , (2,3) , (5,0) } where R is function then the range is ......
    { 2 , 3 , 0 }
  • if R = { (3,7) , (0,2) , (1,4) } where R is function then the domain is ......
    {1 , 3 , 0 }