Question: f : { 0 , 1 } 4 { 0 , 1 } 4 f ( x ) is obtained by swapping the first and

f:{0,1}4{0,1}4
f(x) is obtained by swapping the first and last bits. For example, f(1010)=0011.
Select the correct statement about the inverse of f.
 f:{0,1}4{0,1}4 f(x) is obtained by swapping the first and last bits.

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