Trao7430 Trao7430 19-08-2022 Mathematics contestada If the function f is defined by f (x) 3x + 4, then 2f(x) + 4= (A) 5x + 4 (B) 5x + 8 (C) 6x + 4 (D) 6x + 8 (E) 6x + 12