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A.) Find the range of f(x) = 2x+1/x-3 show all workings. B.) Find the range f(x)=3x-2/x-5...

A.) Find the range of f(x) = 2x+1/x-3 show all workings. B.) Find the range f(x)=3x-2/x-5 show all workings C.) find the range of f(x)=1+√x+2

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