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

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

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
2 years ago
Dear Student
It is given that
A = {2, 3, 4} and B = {2, 5, 6, 7}
Let f: A → B denote a mapping

f = {(x, y): y = x + 3} or

f = {(2, 5), (3, 6), (4, 7)},
which is obviously an injective mapping.


Thanks

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