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4. In each part below, give an example of a function which satises the given criteria. Justify that your example is correct. You should give the simplest example of which you can think. (i)_A function f whose domain is (1,1) such that lim f(.'L') = 3 and lirn f(:) = 2. zP'l' 3H] (ii)\"A function f whose domain is (1,1) such that x) > 0 for all m 6 (1,1), and lim 3: =0. :I:>U (iii) A function 3' whose domain is R, such that f is not continuous at 0, but fof is continuous at 0