For the given functions f and g complete parts a h For parts a d also find the domain 3 3 f x 5 g x a Find f g x X 6 f g x 5 Simplify your answer X What is the domain of f g Select the correct choice below and if necessary fill in the answer box to complete you choice A The domain is x x 0 Use integers or fractions for any numbers in the expression OB The domain is x x is any real number b Find f g x f g x Simplify your answer