document.write( "Question 1087242: What is the inverse of: f(x)=3x^3+8 \n" ); document.write( "
Algebra.Com's Answer #701510 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "the inverse of: \r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=3x%5E3%2B8\"......since \"f%28x%29=y\" we have\r
\n" ); document.write( "\n" ); document.write( "\"y=3x%5E3%2B8\".....swap \"x\" and \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"x=3y%5E3%2B8\"....sole for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"x-8=3y%5E3\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-8%29%2F3=y%5E3\"\r
\n" ); document.write( "\n" ); document.write( "\"y=root%283%2C%28x-8%29%2F3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%5E-1%28x%29=root%283%2C%28x-8%29%2F3%29\"\r
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