K For f(x) = X-5 6 5 and g(x), find the following composite functions and state the domain of each. (a) fog (b) g of (c) fof (d) gog 6x (a) (fog)(x)= 5(1-x) (Simplify your answer. Use integers or fractions for any numbers in the expression.) The domain of fog is (Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Sim your answer.)