Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let 
and 
. Then the number of onto functions from 
to 
, is 
.
Text Solution
Verified by ExpertsThe correct answer is:
14
(14)
From 
to 
, we can define, in all, 
functions ( 2 options for each element of 
) out of which 2 are into, when all the elements of 
either map to 1 or to 2 . Therefore, Number of onto functions 
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