Q18Multiple choice
Given A = {2, 3, 4}, B = {2, 5, 6, 7}. Construct an example of each of the following:
- (a)an injective mapping from A to B
- (b)a mapping from A to B which is not injective
- (c)a mapping from B to A.
Given A = {2, 3, 4}, B = {2, 5, 6, 7}. Construct an example of each of the following: