Let f (x) = - -1 -2x and g(x) = x + 5Find (f g) (x) and the restriction for the domain.O (f-g) (r) =

Let f (x) = -² -1 -2x and g(x) = x + 5Find (f g) (x) and the restriction for the domain.O (f-g) (r) = -² -3r-6Domain restriction: -5O (f-g) (x) = -x² - 3x + 4No restriction for the domain.O (f-g) (x) = -2² - 3r-6No restriction for the domain.O (f-g)(x) = -x²-3x - 6Domain restriction: -1, -5