Выберите пересечение промежутков \(\displaystyle \color {green} {(- \infty;3]}\) и \(\displaystyle \color {red} {[3;+ \infty)} {\small .}\)

• \(\displaystyle [3;+ \infty)\)
• \(\displaystyle \{{ 3} \}\)
• \(\displaystyle \varnothing\)
• \(\displaystyle (- \infty;3]\)