Question: 4. Let f be a function from the set A to the set B. Let S and Tbe subsets of A. Show that?a) f(S?T)=f(S)?f(T).?b)f(S?T)?f(S)?f(T).

4. Let f be a function from the set A to the set B. Let S and Tbe subsets of A. Show that?a) f(S?T)=f(S)?f(T).?b)f(S?T)?f(S)?f(T).

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