Draw the circle x2+y2=49 (centre (0,0), radius 7) and shade the circle (red shading above) to represent the inequality x2+y2≤49.
Draw the parabola y=3-x2 (vertex (0,3), axis of symmetry x=0, the y-axis) and shade the interior (blue shading above) to represent the inequality y≤3-x2.