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If A={a,b,c,d} and B={w,xy,z} , then whi...

If A={a,b,c,d} and B={w,xy,z} , then which of the following is a relation from set A to B? Given reason:
`(i) R_(1)={(a,w),(a,x),(a,y),(a,z)}`
`(ii) R_(2)={(w,b),(z,c),(y,d)}`
(iii)`R_(3)={(a,y),(b,y),(w,y),(d,y)}`
(iv) `R_(4)={(b,z),(b,y),(c-z),(c,w)}`

Text Solution

Verified by Experts

The correct Answer is:
`R_(1) and R_(4)` are relations
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