Example 8 - graph of the solution set is the entire number...

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Example 4 Solve for  x : 3  x  – 2 > –8 or 2  x  + 1 < 9.  x  > –2 indicates all the numbers to the right of –2, and  x  < 4 indicates all the numbers to the left of 4.  The union of these graphs is the entire number line. That is, the solution set is all real numbers. The 
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Unformatted text preview: graph of the solution set is the entire number line (see Figure 4). Figure 4. Arrow heads indicate infinity....
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