Find (ƒ – g)(x) where ƒ(x) = 2x2 + 5x – 8, g(x) = –x2 + 6x.
A. (ƒ – g)(x) = 3x2 – x – 8
B. (ƒ – g)(x) = x2 + 11x – 8
C. (ƒ – g)(x) = –3x2 + x + 8
D. (ƒ – g)(x) = –3x2 – x + 8