1. Let G(x)=1/x-11. Determine the composite function G◦G and its domain. (G◦G)(x)=??? 2.Let f(x)=x^2-4 and g(x)=x^4 Simplify or evaluate the function g(f(u)).

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1. Let G(x)=1/x-11. Determine the composite function G◦G and its domain. (G◦G)(x)=??? 2.Let f(x)=x^2-4 and g(x)=x^4 Simplify or evaluate the function g(f(u)).

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