Question: If f : A B and E, F are subsets of A, then f (E F) = f(E) f(F) and f (E

If f : A → B and E, F are subsets of A, then f (E ⋃ F) = f(E) ⋃ f(F) and f (E \ F) ⊂ f(E) ∩ f (F).

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