Q. 204.0( 3 Votes )

Let A = {1, 2, 3)

Answer :

To state: Whether f is one-one


Given: f = {(1, 4), (2,5), (3, 6)}


Here the function is defined from A B


For a function to be one-one if the images of distinct elements of A under f are distinct


i.e. 1,2 and 3 must have a distinct image.


From f = {(1, 4), (2, 5), (3, 6)} we can see that 1, 2 and 3 have distinct image.


Therefore f is one-one


Ans) f is one-one


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