What is the range of the function: {( 1 , 2 ) , ( 2 , 4 ) , ( 3 , 6 ) , ( 4 , 8 )}
2 answers:
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According to defintion of compostion of functions, we can get:
But we know, that:
Our goal, is to express that function as a composition:
I.e:
If
then 
. Hence, 
But we know, that:
Our goal, is to express that function as a composition:
I.e:
If