text: Well dear ;\n\nPart 1 \nVertical asymptotes correspond to the zeroes of the denominator of a rational function \nx-1 = 0 \nx = 1 ;\nV.A = +1 \n\n\nPart 2 \nhorizontal asymptotes ; limit of f(x) as x → ∞\nlim (2x + 3 / x - 1)\nx → ∞\nlim 2x / x { cancel " x" }\nx → ∞ \n= + 2\nH.A =   2