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f(b) Find a formula for g(f(z)) by expressing z E C as 2 = a: + y. Hence give a simple description of the set

\f(b) Find a formula for g(f(z)) by expressing z E C as 2 = a: + y. Hence give a simple description of the set A = {z e c 19(f(2)) = z}. (o) Is 9 the inverse of f? Explain your

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