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Given A = {2, 3, 4}, B = {2, 5, 6, 7}.
Construct an example of each of the following
(i) an injective mapping from A to B.
(ii) a mapping from A to B which is not injective.
(iii) a mapping from B to A.
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(i) An injective (i.e. one-one) mapping A to B may be defined as
(ii) A mapping from A to B which is not injective may be defined as
. It is many-one.
(iii) A mapping from B to A may be defined as
.
(ii) A mapping from A to B which is not injective may be defined as
. It is many-one.
(iii) A mapping from B to A may be defined as
.
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| Question Text | Given A = {2, 3, 4}, B = {2, 5, 6, 7}. Construct an example of each of the following (i) an injective mapping from A to B. (ii) a mapping from A to B which is not injective. (iii) a mapping from B to A. |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
