document.write( "Question 626193: (2,1)(22,-5),(37,1),(2,7),(56,7) what is the domain \n" ); document.write( "
Algebra.Com's Answer #394058 by jim_thompson5910(35256)\"\" \"About 
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The domain is the set of possible x inputs. \r
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\n" ); document.write( "\n" ); document.write( "In this case, the set of x values here is {2,22,37,2,56} which sort to {2,2,22,37,56}\r
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\n" ); document.write( "\n" ); document.write( "Toss out any duplicates to get {2,22,37,56}\r
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\n" ); document.write( "\n" ); document.write( "So the domain is {2,22,37,56}\r
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