Question: In class I said that two functions were equal if they give the same output for every input. So, if f: A+B and g: A+

In class I said that two functions were equal if they

In class I said that two functions were equal if they give the same output for every input. So, if f: A+B and g: A+ B, and for all x E A, f(x) = g(x) we say that f = g. Show that this is actually an equivalence relation

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