0\; \; ,\; \; x\in (-\infty ;+\infty )\\\\x^2-4>0\; \; ,\; \; (x-2)(x+2)>0\; \; ,\; \; x\in (-\infty ;-2)\cup (2;+\infty )\\\\x^2-4<0\; \; ,\; \; x\in (-2;2)\\\\x^2+4<0\; \; ,\; \; x\in \varnothing" alt="1)\; \; x^2+4>0\; \; ,\; \; x\in (-\infty ;+\infty )\\\\x^2-4>0\; \; ,\; \; (x-2)(x+2)>0\; \; ,\; \; x\in (-\infty ;-2)\cup (2;+\infty )\\\\x^2-4<0\; \; ,\; \; x\in (-2;2)\\\\x^2+4<0\; \; ,\; \; x\in \varnothing" align="absmiddle" class="latex-formula">
Оевет: А - 2 , Б - 1 , В - 3 , Г - 5
![2)\; \; (4-x)(3x-1)(x+8)\leq 0\\\\(x-4)(3x-1)(x+8)\geq 0\\\\znaki:\; \; \; ---[-8\; ]+++[\; \frac{1}{3}\, ]---[\; 4\; ]+++\\\\x\in [-8;\, \frac{1}{3}\, ]\cup [\; 4\, ;+\infty )](https://tex.z-dn.net/?f=2%29%5C%3B%20%5C%3B%20%284-x%29%283x-1%29%28x%2B8%29%5Cleq%200%5C%5C%5C%5C%28x-4%29%283x-1%29%28x%2B8%29%5Cgeq%200%5C%5C%5C%5Cznaki%3A%5C%3B%20%5C%3B%20%5C%3B%20---%5B-8%5C%3B%20%5D%2B%2B%2B%5B%5C%3B%20%5Cfrac%7B1%7D%7B3%7D%5C%2C%20%5D---%5B%5C%3B%204%5C%3B%20%5D%2B%2B%2B%5C%5C%5C%5Cx%5Cin%20%5B-8%3B%5C%2C%20%5Cfrac%7B1%7D%7B3%7D%5C%2C%20%5D%5Ccup%20%5B%5C%3B%204%5C%2C%20%3B%2B%5Cinfty%20%29 "2)\; \; (4-x)(3x-1)(x+8)\leq 0\\\\(x-4)(3x-1)(x+8)\geq 0\\\\znaki:\; \; \; ---[-8\; ]+++[\; \frac{1}{3}\, ]---[\; 4\; ]+++\\\\x\in [-8;\, \frac{1}{3}\, ]\cup [\; 4\, ;+\infty )")
