State the domain of the following relation by clicking on the symbols to make the given answer correct.
Domain {x: x E R, x<= 0}.
{x: x E R, x=0}.
{x: x E R, x E 0}.
{x: x E R, x >=0}.
{x: x E R, x =/ 0}.
HELP! Which one is correct?
The last one is not equal to 0.