ДАЮ МНОГО БАЛОВ РЕШИТЕ НОМЕР 2 И 3 ОТВЕТ ДАЙТЕ В ФОРМАТЕ ФОТОГРАФИИ.

Решите задачу:

$2)\; -2 \leq 3-4x \leq 5\\\\-2-3 \leq -4x \leq 5-3\\\\-5 \leq -4x \leq 2\; |:(-4)\; znak\; menyaem\\\\-\frac{1}{2} \leq x \leq \frac{5}{4}\\\\ili\; \left \{ {{-4x \geq -5} \atop {-4x \leq 2}} \right. \; \left \{ {{x \leq \frac{5}{4}} \atop {x \geq -\frac{1}{2}}} \right. \; \to \; -\frac{1}{2} \leq x \leq \frac{5}{4}$

$3)\; y=\sqrt{1-x}+\sqrt{\frac{1}{3}x+3}\\\\ \left \{ {{1-x \geq 0} \atop {\frac{1}{3}x+3 \geq 0}} \right. \; \left \{ {{x \leq 1} \atop {\frac{1}{3}x \geq -3}} \right. \; \left \{ {{x \leq 1} \atop {x \geq -9}} \right. \; \to \; -9 \leq x \leq 1$