Please prove it. Need step by step solution for this. Please try it once you are sure. I already received wrong answer two times.

3) For each function below find the simplest g(n) that indicates the class (g(n)) that the function belongs to. b. 4nlg(n + 4)2 + 2(n + 4)2 lg () d. 2n+1 + 3N-1