Identify the slant (oblique) asymptote of f(x)=x2+3x+2x−1f(x) = \dfrac{x^2 + 3x + 2}{x - 1}f(x)=x−1x2+3x+2.
y=x+3y = x + 3y=x+3
y=x+4y = x + 4y=x+4
y=x+2y = x + 2y=x+2
y=x−1y = x - 1y=x−1