📢 QuizNe.vn will officially cease operations on 27/08/2026. Thank you for being with us.
- $ y = \\\frac{{x - 1}}{{x - 2}}$
- $ y = {x^3} + x$
- $ y = - {x^3} - 3x$
- $ y = \\\frac{{x + 1}}{{x + 3}}$