ƒ(x) = polynomial / polynomial

	domain restrictions	simplified	vertical asymptotes	holes	extrema min/max abs./local		x-intercepts	y-intercept	horizontal/oblique asymptote
1 / x
1 / x²
8 / x+4
x+8 / x+4
2x+8 / x-4
x-8 / x-4
x² / x-4
x-4 / x²
x²-2x-3 / x²+5x+4
3x²-4x-2 / x²-2x-3