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Example 9 - A way to graph the empty set is to draw a...

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Example 5 Solve for  x : 4  x  – 2 < 10 and 3  x  + 1 > 22.  x  < 3 indicates all the numbers to the left of 3, and  x  > 7 indicates all the numbers to the right of 7.  The intersection of these graphs contains no numbers. That is, the solution set is the empty set, 
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Unformatted text preview: . A way to graph the empty set is to draw a number line but not to darken in any part of it. The graph of the empty set is shown in Figure 5. Figure 5. The empty set....
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