y + 6 ≥ x2 - x
y ≥ x2 - x - 6
Click here for instructions on how to graph the parabola x2-x-6:
http://www.wyzant.com/resources/files/263613/how_to_graph_a_quadratic_equation
Since y is "greater than or equal to" the parabola, it is the region on and above (inside of) the parabola.