document.write( "Question 1181200: find the inverse of f(x)=2x^3+1 \n" ); document.write( "
Algebra.Com's Answer #811057 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"find+the+inverse+of+%7B%7B%7Bf%28x%29=2x%5E3%2B1\"\r
\n" ); document.write( "\n" ); document.write( "recall that \"f%28x%29=y\"\r
\n" ); document.write( "\n" ); document.write( "\"y=2x%5E3%2B1\"......swap variables\r
\n" ); document.write( "\n" ); document.write( "\"x=2y%5E3%2B1\".........solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"x-1=2y%5E3\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-1%29%2F2=y%5E3\"\r
\n" ); document.write( "\n" ); document.write( "\"y=root%283%2C%28x-1%29%2F2%29\"\r
\n" ); document.write( "\n" ); document.write( "inverse is\r
\n" ); document.write( "\n" ); document.write( "\"f\"'\"%28x%29=root%283%2C%28x-1%29%2F2%29\"\r
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