document.write( "Question 888525: I need help solving. Thank you\r
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Algebra.Com's Answer #537462 by Edwin McCravy(20054) $\"\"$ $\"About$
You can put this solution on YOUR website!
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document.write( "Get 0 on the right, everything else on the left:\r\n" );
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document.write( "The critical numbers are the numbers which either make\r\n" );
document.write( "the left side 0 or undefined.\r\n" );
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document.write( "The critical numbers are 3 and 5.\r\n" );
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document.write( "Place these numbers on a number line:\r\n" );
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document.write( "----------------o-----o------------  \r\n" );
document.write( "-2 -1  0  1  2  3  4  5  6  7  8  9\r\n" );
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document.write( "we test any value less than 3, say 0, in the inequality\r\n" );
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document.write( "That's false so we do not shade the number line to the\r\n" );
document.write( "left of 3\r\n" );
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document.write( "----------------o-----o------------  \r\n" );
document.write( "-2 -1  0  1  2  3  4  5  6  7  8  9\r\n" );
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document.write( "we test any value between 3 and 5, say 4, in the inequality\r\n" );
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document.write( "That's true so we shade the number line between 3 and 5.\r\n" );
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document.write( "----------------o=====o------------  \r\n" );
document.write( "-2 -1  0  1  2  3  4  5  6  7  8  9\r\n" );
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document.write( "we test any value to the right of 5, say 6, in the inequality\r\n" );
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document.write( "That's false so we do not shade the number line to the right of 5.\r\n" );
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document.write( "Next we test the critical points themselves:\r\n" );
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document.write( "-2 -1  0  1  2  3  4  5  6  7  8  9\r\n" );
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document.write( "Test 3\r\n" );
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document.write( "That's true so we darken the circle at 3:\r\n" );
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document.write( "----------------●=====o------------  \r\n" );
document.write( "-2 -1  0  1  2  3  4  5  6  7  8  9\r\n" );
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document.write( "Test 3\r\n" );
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document.write( "----------------●=====●------------  \r\n" );
document.write( "-2 -1  0  1  2  3  4  5  6  7  8  9\r\n" );
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document.write( "That's true so we darken the circle at 5 also.\r\n" );
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document.write( "The interval notation for the solution is [3,5]\r\n" );
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document.write( "The set builder notation is   \r\n" );
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document.write( "Edwin
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