You can
put this solution on YOUR website!
plot the line

The answer to your
problem is the entire space below
the line and also including the points on the line.
If the problem was

, Then the answer
would be the space below the line, but NOT
including the points ON the line.
Here's the plot
In case you're confused, "below" means to the right of the
line. Imagine a point just to the right of the line, and
then go straight up. You'll hit the line and then go above it
So "to the right" also means below in this case.