document.write( "Question 1206908: Write the equation of a possible rational function given the following information. Leave in factored form.
\n" ); document.write( "Vertical asymptote x = 2, discontinuous point (−3, −4/5), x - intercept at x = −5 and horizontal asymptote at y = 2.
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Algebra.Com's Answer #844651 by MathLover1(20850)\"\" \"About 
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a rational function :\r
\n" ); document.write( "\n" ); document.write( " \"R%28x%29+=+a%2Ap%28x%29+%2Fq%28x%29+\"\r
\n" ); document.write( "\n" ); document.write( "where \"p%28x%29\" and \"q%28x%29\" are both polynomials\r
\n" ); document.write( "\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( "Vertical asymptote \"x+=+2\": value of \"x\" that makes denominator equal to zero , so\r
\n" ); document.write( "\n" ); document.write( "\"q%28x%29=%28x-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x\" - intercept at \"x+=+-5\"=>numerator is\r
\n" ); document.write( "\n" ); document.write( "\"p%28x%29=a%28x%2B5%29\"\r
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\n" ); document.write( "\n" ); document.write( "so far \"R%28x%29=a%28x%2B5%29%2F%28x-2%29\"\r
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\n" ); document.write( " horizontal asymptote at \"y=2\", the highest power of numerator and denominator are same and coefficient of numerator is \"a=2\" times that of denominator\r
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\n" ); document.write( "\n" ); document.write( "\"R%28x%29=2%28x%2B5%29%2F%28x-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "discontinuous point (\"-3\", \"-4%2F5\")\r
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\n" ); document.write( "\n" ); document.write( "check given point\r
\n" ); document.write( "\n" ); document.write( "\"-4%2F5=2%28-3%2B5%29%2F%28-3-2%29\"=> true\r
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\n" ); document.write( "\n" ); document.write( "=>for \"x=-3\", denominator will be \"zero\", so add \"%28x%2B3%29\" to both, numerator and denominator, and your equation is:\r
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\n" ); document.write( "\n" ); document.write( "\"R%28x%29+=+2%28%28x%2B5%29%28x%2B3%29%29%2F%28%28x-2%29%28x%2B3%29%29\"\r
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