Question: A and B are finite sets. The function f : A B is a bijection. Select the true statement. f @ f - 1 =

A and B are finite sets. The function f:AB is a bijection. Select the true statement.
f@f-1=A
f@f-1=B
f may not have a well-defined inverse.
f@f-1=f
A and B are finite sets. The function f:AB is a

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