CalculusSuperchallengeThe Derivative ShareThe Derivative · Superchallenge problemLet g(x)=f(x)+3g(x) = f(x) + 3g(x)=f(x)+3 where f′(15)=18f'(15) = 18f′(15)=18. What is g′(15)g'(15)g′(15)?Check Show answer Walk through it step by step Practice more like this Review this concept