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

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Harshit Singh · Answer

Dear Student A = {2, 3, 4}, B = {2, 5, 6, 7} Let g: A &rarr; B denote a mapping such that g = {(2, 2), (3, 2), (4, 5)}, which is obviously not an injectivemapping. Thanks

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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

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