f For the functions f x 2 x and g x x 2x8 find f g f g fg and Determine the domain for each function g f g x Simplify your answer What is the domain off g Select the correct choice below and if necessary fill in the answer box to complete your choice A The domain off g is Use a comma to separate answers as needed The domain of f g is OC The domain off g is B fog x Simplify your answer What is the domain of fg Select the correct choice below and if necessary fill in the answer box to complete your choice OA The domain of fg is Type your answer in interval notation Use a comma to separate answers as needed The domain of fa is