document.write( "Question 1164170: Let f(x)= x+4/x^2+4\r
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\n" ); document.write( "\n" ); document.write( "I got the answer t+2/t^2+2 \r
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Algebra.Com's Answer #788478 by ikleyn(52864) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "They want you replace x in the formula by \" 2t \" at each and every appearance of x.\r
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document.write( "You will get then    =  =  =  = .        ANSWER\r\n" );
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