Graph x≥2. A graph showing a range of negative three to two on the x and y axes. A dotted line with arrows at both ends passes through the x axis at two and runs parallel to the y axis. The graph is shaded to the right of the line.

A graph showing a range of negative three to two on the x and y axes. A solid line with arrows at both ends passes through the x axis at two and runs parallel to the y axis. The graph is shaded to the left of the line.

A graph showing a range of negative three to two on the x and y axes. A solid line with arrows at both ends passes through the x axis at two and runs parallel to the y axis. The graph is shaded to the right of the line.

A graph showing a range of negative three to two on the x and y axes. A dotted line with arrows at both ends that passes through the x axis at two and runs parallel to the y axis. The graph is shaded to the left of the line.