CalculusMediumThe Derivative ShareThe Derivative · Medium problemLet g(x)=f(x)+3g(x) = f(x) + 3g(x)=f(x)+3 where f′(12)=15f'(12) = 15f′(12)=15. What is g′(12)g'(12)g′(12)?Check Show answer Walk through it step by step Practice more like this Review this concept