document.write( "Question 1054729: Please help me determine if this is true or false and why?\r
\n" ); document.write( "\n" ); document.write( "A rational function must have at least one vertical asymptote.\r
\n" ); document.write( "\n" ); document.write( "How come no vertical asymptote exists when an examination might show that there is one?
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Algebra.Com's Answer #669974 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Not always. A rational function may be either simplifyable or not, meaning specifically REDUCIBLE as a fraction, or not. If reducible, then this could lead to a missing point or hole in the graph. \r
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\n" ); document.write( "\n" ); document.write( "Assuming \"system%28a%3C%3Eb%2Cb%3C%3Ec%29\",\r
\n" ); document.write( "\n" ); document.write( "\"%28x-a%29%28x-b%29%2F%28x-c%29=%28x%5E2-ax-bx%2Bab%29%2F%28x-c%29\"
\n" ); document.write( "Vertical asymptote for x=c.\r
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\n" ); document.write( "\n" ); document.write( "\"%28x-a%29%28x-b%29%28x-c%29%2F%28x-b%29\"
\n" ); document.write( "NO VERTICAL ASYMPTOTE.
\n" ); document.write( "Instead, there is no point in the graph at x=b.
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