Initials: 4. Which function has a horizontal asymptote with equation y = = A ) S ( x ) = = 2 .x - 3 C) S ( x ) = 1 x - 3 7.x + 8 2.x + 8 B) S (x) = - 7x+8 D) S(x ) = 2x -3 2.x - 3 7 x +8 5. Which graph of a rational function has the following characteristics? a vertical asymptote with equation x =-1 . a horizontal asymptote with equation y=-1 a point of discontinuity at (-2, -2) A. C. B