1.

Let A = {1, 2, 3}, B = { 2, 3, 4} , then which of the following is a function form A to B ?(a){(1,2),(1,3),(2,3),(3,3)}(b){(1,3),(2,4)}(c){(1,3),(2,2),(3,3)}(d){(1,2),(2,3),(3,2),(3,4)}

Answer»

{(1,2),(1,3),(2,3),(3,3)}
{(1,3),(2,4)}
{(1,3),(2,2),(3,3)}
{(1,2),(2,3),(3,2),(3,4)}

ANSWER :C


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