Given functions f and g, find (a) (fog)(x) and its domain, and (b) (gof)(x) and its domain. f(x) = √√x, g(x) = x + 7 (a) (fog)(x) = (Simplify your answer. Type an exact answer, using radicals as needed.) The domain of fog is (Type your answer in interval notation.) (b) (gof)(x) = (Simplify your answer. Type an exact answers, using radicals as needed.) The domain of g of is (Type your answer in interval notation.)
