Example44 - open ray or a half line. The hollow dot...

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Example 2 Graph as indicated (see Figure 3).  1. Graph the set of  x  such that  x  ≥ 1.  x x  ≥ 1}  2. Graph the set of  x  such that  x  > 1 (see Figure 4).  x: x  > 1}  3. Graph the set of  x  such that  x  < 4 (see Figure 5).  x: x  < 4}  This ray is often called an 
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Unformatted text preview: open ray or a half line. The hollow dot distinguishes an open ray from a ray. Figure 3. A graph of { x : x 1}. Figure 4. A graph of { x : x &gt; 1} Figure 5. A graph of { x : x &lt; 4}...
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