1)[6;10]
-----®--------------------®----- >
6 xxxxxxxxxxxxx 10
2)[-5;-1]
------®--------®---------------------- >
-5 xxxx -1
3) [-9;3)
-----®-------------------------o---------- >
-9 xxxxxxxxxxxxxxxx 3
4 (-1;7]
----------------o----------------------------®------ >
-1 xxxxxxxxxxxxxxxxxx 7
5) (-∞;15)
-------------o----------------------------------- >
Xxxxxxxxx 15
6) (8;+∞)
---------------------------o-------------------------- >
8 xxxxxxxxxxxxxxxxx
7) (-∞; 2]
--------------------------®--------------------------- >
Xxxxxxxxxxxxxxxxxx 2
8) [-3;+∞)
----------------------------------®------------------------------- >
-3 xxxxxxxxxxxxxxxxxxxx