9. When P(x)=2x -3x +8x-12 is divided by x-1 the remainder is b) 0 c ) - 10. Which is true for the rational function f(x) = =1 2x+5 a) The y-intercept is -1 b) The x-intercept is -1 c) The vertical asymptote is x = 2.5 d) The horizontal asymptote is y = 0.5