(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Prove that if f: [tex]X \rightarrow Y[/tex] is onto, then [tex]f(f^{-1}(B))=B[/tex] [tex]\forall B \in Y[/tex]

2. Relevant equations

3. The attempt at a solution

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# Homework Help: Prove onto

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