Find f+ g. f-g. fg and -. Determine the domain for each function. (x) =4x -9. g(x) =x-4 (+9)(x)=(Simplify your answer.) What is the domain of f+g? A. The domain of f+ g is ( .(Use a comma to separate answers as needed.) B. The domain of f+ g is .(Type your answer in interval notation.) O c. The domain of f+g is . (f-8)(x) =(Simplify your answer.) What is the domain of f- g? A. The domain of f-g is . (Type your answer in interval notation.) O B. The domain of fog is { . (Use a comma to separate answers as needed.) O c. The domain of f-g is @ (fg)(x) = Simplify your answer.) What is the domain of fg? O A. The domain of fg is { }. (Use a comma to separate answers as needed) B. The domain of fg is (Type your answer in interval notation.) C c. The domain of fg is . () = ](Simplify your answer) What is the domain of - ? A. The domain of - is . (Use a comma to separate answers as needed.) B. The domain of - is fis (Type your answer in interval notation.)