document.write( "Question 1091148: let a < b is the real number .sketch interval [a,b]\(a,b) on the number line \n" ); document.write( "
Algebra.Com's Answer #705561 by ikleyn(52926)\"\" \"About 
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\n" ); document.write( "It is not an interval.\r
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\n" ); document.write( "\n" ); document.write( "[a,b] \ (a,b) is the set consisting of two points: x= a and x= b.\r
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