Since there is a <em>less</em><em> </em><em>than</em><em> </em>sign, we need to have an openedcircleat -12, shading everything to the left. If it were <em>less</em><em> </em><em>than</em><em> </em><em>or</em><em> </em><em>equal</em><em> </em><em>to</em>,<em> </em>then we would put a <em>closed </em><em>circle</em>.