document.write( "Question 1197339: Determine the equation of the inverse for the quadratic equation
\n" ); document.write( "f(x)=6x^2+11\r
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\n" ); document.write( "\n" ); document.write( "I don’t know how to do this one since my teacher didn’t explain this one
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Algebra.Com's Answer #830565 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29=6x%5E2%2B11\"\r
\n" ); document.write( "\n" ); document.write( "to determine the equation of the inverse for the quadratic equation, recall that \"+f%28x%29=y\" \r
\n" ); document.write( "\n" ); document.write( "\"y=6x%5E2%2B11\"...... swap variables\r
\n" ); document.write( "\n" ); document.write( "\"x=6y%5E2%2B11\"..........solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"x-11=6y%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-11%29%2F6=y%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"y=sqrt%28%28x-11%29%2F6%29\"
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\n" ); document.write( "\"y\"\"sqrt%28x+-+11%29%2Fsqrt%286%29\"\r
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\n" ); document.write( "\n" ); document.write( "so, inverse is\r
\n" ); document.write( "\n" ); document.write( "\"f\"'\"%28x%29\"= ± \"sqrt%28x+-+11%29%2Fsqrt%286%29\"\r
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