What is the total number of functions that can be defined from the set {1,2} to the set {1,2,3}?
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The total number of functions that can be defined from the set {} to the set {} is
Step-by-step explanation:
Given:
set 1 ={}
set 2={}
To find:
The total number of functions can be defined from set 1 to set 2.
Solution:
Set 1= {}
Set 2={}
Number of elements in set 1 =
Number of elements in set 2=
Here,
Number of functions from set 1 to set 2 =
=
⇒Numer of functions from set 1 to set 2
So the final answer is
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