The maximum of $ \cos 2x + 2\sin 2x $ is $ \sqrt{1^2 + 2^2} = \sqrt{5} $. Thus, maximum value is $ 3 + \sqrt{5} $. oxed{3 + \sqrt{5}}Question: A science policy analyst models the adoption rate of a new renewable energy policy with the function $ f(n) = rac{n^3 - 8}{n - 2} $. Simplify $ f(n) $ and determine its domain.

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