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| PAGE: 337 | SET: Exercises | PROBLEM: 2 |
The inequality is 
.
Draw a coordinate plane
Graph the line 
.
Since 
means 
or 
.
So, the boundary line is included in the solution set.
The boundary should be drawn as a solid line.
Select a test point (0, 0).
(Write the inequality)
(Substitute x = 0, y = 0)
(Simplify)
Since the statement is false, shade the half plane that not contain (0, 0).
The graph of is
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