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In the setX={a,b,c,d} , which of the following relation is a function is {(a,d),(d,c),(b,b),(c,c)} how please explain

In the setX={a,b,c,d} , which of the following relation is a function is {(a,d),(d,c),(b,b),(c,c)} how please explain

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1 Answers

Arun
25750 Points
5 years ago
Dear student
 
because in this every element of domain has image and also they have only oneimage.
 
Regards
Afun (askIITians forum expert)

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