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

The problem #11.

3. The attempt at a solution

My partial answer is attached. There, I found E\F. I still don't understand what is f(E) and f(F) and how to derive them from E and F.

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# Homework Help: (Real Analysis) Find sets E\F and f(E)\f(F)

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