document.write( "Question 390350: find the rational fraction, identify any holes or horizontal or vertical asymptotes of its graph:\r
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Algebra.Com's Answer #276733 by richard1234(7193) $\"\"$ $\"About$

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The function $\"y+=+%28x%2B3%29%2F%28x%2B3%29\"$ is equivalent to $\"y+=+1\"$ except where x = -3 (this is where the hole is). Other than x = -3, the function is constant. You could say that the asymptote is 1, but a horizontal asymptote is usually defined as y \"approaching\" 1 as x goes to positive or negative infinity. I would still call this an asymptote, as an asymptote is defined if\r
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\n" ); document.write( "\n" ); document.write( " $\"lim%28x-%3Einfinity%2C+f%28x%29%29+=+c\"$ for constant c (c is the horizontal asymptote. Limit may also approach negative infinity.)\r
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\n" ); document.write( "\n" ); document.write( "In this case,\r
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\n" ); document.write( "\n" ); document.write( " $\"lim%28x-%3Einfinity%2C+%28x%2B3%29%2F%28x%2B3%29%29+=+1\"$ so 1 is the horizontal asymptote. \n" ); document.write( "

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