Answer:
Graph D is correct
Explanation:
if you choose a point, let's say 0,0 and plug in the values for x and y, you'll get

Since this equation isn't true, 0,0 can't be filled.
to choose between graphs c and d, you look at the line and because c is dotted, it means it isn't solution. because your sign is less than or equal to, the line has to be solid.
therefore, graph d is the correct answer