Question: 2 find if the following relation is function with domain 1 1, 2 , 3, 4 9 . It not a function. explain cohp ?

2 find if the following relation is function with domain 1 1, 2 , 3, 4 9 . It not a function. explain cohp ? 9 f = 1 ( 1 , 1 ) , ( 2 , 1 ) , ( 3 , 1 ) , ( 4 , 1 ) ( 3 , 3 ) 2 1 = P ( ly, ( 2, 3), ( 31 2 ), 14, 1 13 f = f ( l , ll , ( 2 , 1 ) , ( 3 1 1) , ( 4 , 1) 3 3 Suppose Ab 8 are non-empty sets. Can AXB ever be a function 4 2 B ? Explain. 1/ Define h: 4 2 A by h ( ) = 22+ 2. Determine ( with reasons cohether h I's one - two one and cohether his on to in following cases . (6) A=N AIR -R by

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