Answer:
(-2, 0), (0, -1), (-3, 0)
Step-by-step explanation:
if you know coordinates, just find it on the graph and see if it falls in the region, if it falls on a solid line, it is ok, and if it falls on a dashed line, it is not in the region
so the okay ones are
(-2, 0)
(0, -1)
(-3, 0)
