The maximum of $ \cos 2x + 2\sin 2x $ is $ \sqrt1^2 + 2^2 = \sqrt5 $. Thus, maximum value is $ 3 + \sqrt5 $. oxed3 + \sqrt5Question: A science policy analyst models the adoption rate of a new renewable energy policy with the function $ f(n) = racn^3 - 8n - 2 $. Simplify $ f(n) $ and determine its domain. - Appfinity Technologies