document.write( "Question 997307: given that the function f(x)= (2x+1)/(x-1) is one to one. Find the inverse function.
\n" ); document.write( "I got the answer, I think...but am not sure. and I amsupposed to give the domain and range of both f(x) and f^-1(x)\r
\n" ); document.write( "\n" ); document.write( "The answer i came up with as the inverse is x+1/x-1. I found this by solving for x.
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Algebra.Com's Answer #615456 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=+%282x%2B1%29%2F%28x-1%29\"\r
\n" ); document.write( "\n" ); document.write( "to find inverse, set \"f%28x%29=y\", \r
\n" ); document.write( "\n" ); document.write( "\"y=+%282x%2B1%29%2F%28x-1%29\".... now swap \"x\" and \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"x=+%282y%2B1%29%2F%28y-1%29\"....solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"x%28y-1%29=+%282y%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "\"xy-x=+2y%2B1\"\r
\n" ); document.write( "\n" ); document.write( "\"xy-2y=+x%2B1\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-2%29y=+x%2B1\"\r
\n" ); document.write( "\n" ); document.write( "\"y=+%28x%2B1%29%2F%28x-2%29\"\r
\n" ); document.write( "\n" ); document.write( "so, your inverse is \"f%5E1%28x%29=+%28x%2B1%29%2F%28x-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "the domain and range of both \"f%28x%29\" and \"f%5E-1%28x%29\":\r
\n" ); document.write( "\n" ); document.write( "for \"f%28x%29=+%282x%2B1%29%2F%28x-1%29\"\r
\n" ); document.write( "\n" ); document.write( "domain:
\n" ); document.write( "{ \"x\" element \"R\" : \"x%3C%3E1\" }
\n" ); document.write( "range:
\n" ); document.write( "{ \"f%28x%29\" element \"R\" : \"f%28x%29%3C%3E2\" }\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "for \"f%5E1%28x%29=+%28x%2B1%29%2F%28x-2%29\"\r
\n" ); document.write( "\n" ); document.write( "domain:
\n" ); document.write( "{ \"x\" element \"R\" : \"x%3C%3E2\" }
\n" ); document.write( "range:
\n" ); document.write( "{ \"f%28x%29\" element \"R\" : \"f%28x%29%3C%3E1\" }\r
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