For f x a fog 2 X 9 a fog x A and g x b gof 2X 5 9X X find the following composite functions and state the domain of each c fof d gog Simplify your answer Select the correct choice below and fill in any answer boxes within your choice The domain of fogis x x 0 x s x ww 5 1 Type an inequality Use integers or fractions for any numbers in the expression Use a comma to separate answers as needed B The domain off og is all real numbers 4 2 x 9 b gof x 2 9x 81 Simplify your answer Use integers or fractions for any numbers in the expression