Выберите интервалы убывания функции  \(\displaystyle y=x^2{\small .}\)

• \(\displaystyle (0;+\infty)\)
• \(\displaystyle (-10;-1)\)
• \(\displaystyle (1;2)\)
• \(\displaystyle (-\infty;-1)\)
• \(\displaystyle (-\infty;0)\)
• \(\displaystyle (4;+\infty)\)