CalculusMediumThe Derivative ShareThe Derivative · Medium problemLet g(x)=f(x)+6g(x) = f(x) + 6g(x)=f(x)+6 where f′(9)=15f'(9) = 15f′(9)=15. What is g′(9)g'(9)g′(9)?Check Show answer Walk through it step by step Practice more like this Review this concept