Question

РЕШИТЕ, СРОЧНО!!! ДАЮ 100 БАЛЛОВ!!!! С КООРДИНАТНОЙ ПРЯМОЙ

Answer 1

1)
           /////////////////////////////////////////////
--------(1)-------------------(2,5)--------------
                                       \\\\\\\\\\\\\\\\\\\\\\\\\\
x∈(2,5;∞)
2){x≥1,5
{x≤3
           //////////////////////////////////////////////////////
---------[1,5]----------------------[3]---------------   
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
x∈[1,5;3]
3
                /////////////////////////////////////////////////////
------------(-2)---------------------(-1,5)----------------
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
x∈(-2;-1,5)
4
{5x<5⇒x<1
{x<12
\\\\\\\\\\\\\\
---------(1)---------------------(12)-----------
///////////////////////////////////////////
x∈(-∞;1)
5
{x≤15
{x≥6
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
--------[6]------------------[15]-----------
          /////////////////////////////////////////
x∈[6;15]
6
{x>0
{x≥-7
             /////////////////////////////////////////////
----------[-7]--------------------(0)----------------
                                          \\\\\\\\\\\\\\\\\\
x∈(0;∞)