What would the solution y<3 look like if you were to represent it graphically?

an open circle on 3 shading everything to the left of 3
an open circle on 3 shading everything to the right of 3
a closed circle on 3 shading everything to the right of 3
a closed circle on 3 shading everything to the left of 3

an open circle on 3 shading everything to the left of 3