Let f(x) = x- 2x and g(x) =8 + x. Find the following. (a) (f+g)(x) (b) (f - g) (x ) (c) (f . g)(x) 10 ) ( x ) (e) The domain of (a) (f+g)(x) = (Simplify your answer. Do not factor.) (b) (f - g)(x) = (Simplify your answer. Do not factor.) (c) (f . 9)(x) : (Simplify your answer. Do not factor.)