Answer:
O----->
Explanation:
open circle= bigger that or smaller than according to the direction this symbol is facing <
Closed circle= bigger or smaller that and equals to the number according to the direction this symbol is facing ≤
In here we have this symbol < facing the y which means Y is bigger than -10 so the arrow will be going to the right from -10 to 11 and the open circle will be on the -10