A function is defined by mapping f : A → B such that A contains m elements and B contains n elements and 1≤n≤m then number of onto functions are ________

A function is defined by mapping f : A → B such that A contains m el

1.	A function is defined by mapping f : A → B such that A contains m elements and B contains n elements and 1≤n≤m then number of onto functions are ________
A.	a
B.	b
C.	c
D.	d
Answer» B. b

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