📢 QuizNe.vn will officially cease operations on 27/08/2026. Thank you for being with us.
- $ (-\\\infty ;-2) \\\cup [3; + \\\infty )$.
- $ \\\left[ {3;4} \\\right]$.
- $ (-\\\infty ;-2] \\\cup (3; + \\\infty )$.
- $ \\\left[ {3;4} \\\right)$.