document.write( "Question 1091060: if real number a < b then sketch the R\ (a,b] on the real number line \n" ); document.write( "

Algebra.Com's Answer #705505 by ikleyn(52908) $\"\"$ $\"About$

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document.write( "They want you depict the number line with the semi-interval (a,b] cut off:\r\n" );
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document.write( "==============(------------]===============(number line)==============\r\n" );
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document.write( "              a            b\r\n" );
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document.write( "The entire ray  (,] belongs to R \ (a,b], including the point x = a.\r\n" );
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document.write( "The set  x > b also belongs to R \ (a,b], but the point x= b does not belong to this set. It is excluded from the set.\r\n" );
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