Asymptote/Examples/x^2 + 1 over x

Examples of Asymptotes

 * Asymptote-x-squared-plus-1-over-x.png (green), and the parabola $y = x^2$ (red)]]

Consider the curve whose equation in the Cartesian plane is given by:
 * $y = x^2 + \dfrac 1 x$

This has $2$ asymptotes:


 * the straight line $x = 0$
 * the parabola $y = x^2$.