If A contains m elements and B contains n elements, then total number of distinct relations from a set A to a set B is

If A contains m elements and B contains n elements, then total number

1.	If A contains m elements and B contains n elements, then total number of distinct relations from a set A to a set B is
A.	\[mn\]
B.	\[{{2}^{n}}\]
C.	\[{{2}^{m}}\]
D.	\[{{2}^{mn}}\]
Answer» E.

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If A contains m elements and B contains n elements, then total number of distinct relations from a set A to a set B is

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