Sketch the following set and show if it is open, closed, and bounded or unbounded. 0 < arg(2) < 7/4 , (z# 0)

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A: we take f(x)=-1   x∈Q∩A1       x∈Qc∩A and g(x)=2   x∈Q∩A-2   x∈Qc∩A(f+g)(x)=f(x)+g(x)=1   x∈Q∩A-1…

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