The two points (0,0) and (−5,−15) are on the other side of the boundary line y=x+4, and they are not solutions to the inequality y>x+4. The points on the boundary line, those where \(y...The two points (0,0) and (−5,−15) are on the other side of the boundary line y=x+4, and they are not solutions to the inequality y>x+4. The points on the boundary line, those where y=x+4, are not solutions to the inequality y>x+4, so the line itself is not part of the solution. On one side of the line are the points with y>2x−1 and on the other side of the line are the points with y<2x−1.
