If f(x) = 3x + 10 and g(x) = 2x - 4, find (f+ g)(x).
O A. (f+ g)(x) = 3x + 2x + 6
O B. (f+ g)(x) = -3x - 2x - 14
O C. (f+ g)(x) = 3x - 2x + 14
O D. (f+ g)(x) = 5x + 6