document.write( "Question 360833: Hi, I'm having some trouble with compositions of functions with fractions.
\n" ); document.write( "Here is the question:
\n" ); document.write( "f(x) = (x-1)/(x-3)
\n" ); document.write( "g(x) = (x-8)/(x-9)\r
\n" ); document.write( "\n" ); document.write( "Find f(g(x))
\n" ); document.write( "Find g(f(x))\r
\n" ); document.write( "\n" ); document.write( "Thank you SO much!
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Algebra.Com's Answer #257464 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Computing f(g(x))\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-1%29%2F%28x-3%29\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28g%28x%29%29=%28g%28x%29-1%29%2F%28g%28x%29-3%29\" Plug in \"x=g%28x%29\" on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28g%28x%29%29=%28%28x-8%29%2F%28x-9%29-1%29%2F%28%28x-8%29%2F%28x-9%29-3%29\" Plug in \"g%28x%29=%28x-8%29%2F%28x-9%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28g%28x%29%29=%28x-8-%28x-9%29%29%2F%28x-8-3%28x-9%29%29\" Multiply EVERY term by the LCD \"x-9\" to clear out the fractions.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28g%28x%29%29=%28x-8-x%2B9%29%2F%28x-8-3x%2B27%29\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28g%28x%29%29=1%2F%28-2x%2B19%29\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "I'll let you compute g(f(x))
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