A function is defined by mapping f : A -> B such that A contains m elements and B contains n elements and m>n then number of one one functions are ________

A function is defined by mapping f : A -> B such that A contains m ele

1.	A function is defined by mapping f : A -> B such that A contains m elements and B contains n elements and m>n then number of one one functions are ________
A.	ⁿCₘ x m!
B.	ⁿCₘ x n!
C.	0
D.	none of the mentioned
Answer» D. none of the mentioned

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