Find the x - values at which the function f(x) = x +2 is not continuous. x2 +6x +8 Which of the discontinuities are removable? 1) no points of discontinuities O 2) x=-2(not removable), x=-4(removable) O 3) x=-2 (removable), x=-4(not removable) 4) no points of continuity O 5) x=-2 (not removable), x=-4(not removable)