Find the absolute maximum and minimum values of the function over the indicated interval, and indicate the x-values at which they occur. f(x) =3x - 9 (A) [0,3] (B) [- 4,3] (A) The absolute maximum value is at x = (Use a comma to separate answers as needed.) The absolute minimum value is at x = (Use a comma to separate answers as needed.) (B) The absolute maximum value is at x = (Use a comma to separate answers as needed.)