document.write( "Question 1005852: Explain why a linear inequality cannot be a function \n" ); document.write( "
Algebra.Com's Answer #622000 by josgarithmetic(39618)\"\" \"About 
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Region of a plane instead of just points on a curve means that each input can have more than one \"output\", so not a function. Another way to describe this is that the inequality will fail the \"vertical line test\". \n" ); document.write( "
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