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Mathematics · JEE | RELATIONS AND FUNCTIONS
हिन्दीThe number of all possible functions from a set \( A \) containing \( m \) elements to a set \( B \) containing \( n \) elements is:
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Correct answer · Option D
\( n^m \)
Explanation
Each of the \( m \) elements in set \( A \) can be mapped to any of the \( n \) elements in set \( B \), giving \( n \times n \times \dots \times n \) (\( m \) times) = \( n^m \) functions.
