Question: University math. Show full answer. Answer within 2 hours Q2 {1i}| paints] Let f : A } B be a function. {a} Prove that for

University math. Show full answer. Answer within 2 hours

Q2 {1i}| paints] Let f : A } B be a function. {a} Prove that for any two sets 0,1.) E A, we have f(0l"1 D) E C] D). {[3} Give an example of a function f and sets 0, D, for which C D] 79 t?) D)

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