Given `A={2,\ 3,\ 4}` , `B={2,\ 5,\ 6,\ 7}` . Construct an example of a mapping from `A` to `B` which is not injective

Given A={2,\ 3,\ 4} , B={2,\ 5,\ 6,\ 7} . Construct an example of an injective map from A to B .

Given A= {2,3,4}, B = {2,5, 6, 7). Construct an example of each of the following a mapping from A to B which is not injective.

Given A = {2,3,4} , B = {2,5,6,7} . Construct an example of each of the following : A mapping from A to B which is not injective.

Given A={2,3,4},B={2,5,6,7} , construct an example of each the following. A mapping from A to B which is not one-one

Given A= {2,3,4}, B = {2,5, 6, 7). Construct an example of each of the following a mapping from B to A.

Given A={2,3,4},B={2,5,6,7} Construct an example of an injective map from A to B.

Given A = {2,3,4} , B = {2,5,6,7} . Construct an example of each of the following : A mapping from B to A .