document.write( "Question 1131212: For the given functions f and g, find the following: f(x)=2x/x-2 and g(x)=x-2/x+4. Also find the domain.
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Algebra.Com's Answer #747849 by MathLover1(20850)\"\" \"About 
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\"f%28x%29=2x%2F%28x-2%29\" and
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\n" ); document.write( "\n" ); document.write( "\"%28f%2Fg%29%28x%29+=f%28x%29%2Fg%28x%29\"\r
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\n" ); document.write( "\n" ); document.write( " \"f%28x%29%2Fg%28x%29=%282x%2F%28x-2%29%29%2F%28%28x-2%29%2F%28x%2B4%29+%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29%2Fg%28x%29=%282x%28x%2B4%29%29%2F%28%28x-2%29%28x-2%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29%2Fg%28x%29=%282x%28x%2B4%29%29%2F%28x-2%29%5E2\"\r
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\n" ); document.write( "\n" ); document.write( " the domain:\r
\n" ); document.write( "\n" ); document.write( "exclude values of \"x\" that make original denominator \"%28x-2%29%2F%28x%2B4%29+=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-2%29=0\"=>\"x=2\"
\n" ); document.write( "\"%28x%2B4%29=0\"=>\"x=-4\"\r
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\n" ); document.write( "\n" ); document.write( "so, domain will be:\r
\n" ); document.write( "\n" ); document.write( "{ \"x\" element \"R\": \"x%3C%3E-4\" and \"x%3C%3E2\" }\r
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