document.write( "Question 743489: (5x+2)/(3x-1)<4 \n" ); document.write( "
Algebra.Com's Answer #453571 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
\"%285x%2B2%29%2F%283x-1%29%3C4\"\r
\n" ); document.write( "\n" ); document.write( "\"%285x%2B2%29%2F%283x-1%29-4%3C0\"\r
\n" ); document.write( "\n" ); document.write( "\"%285x%2B2%29%2F%283x-1%29-4%283x-1%29%2F%283x-1%29%3C0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28%285x%2B2%29-12x%2B4%29%2F%283x-1%29%3C0\"\r
\n" ); document.write( "\n" ); document.write( "\"%286-7x%29%2F%283x-1%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Next we test on the intervals that our boundary values generated:\r
\n" ); document.write( "\n" ); document.write( "First interval:
\n" ); document.write( "\"-infinity%3Cx%3C1%2F3\"\r
\n" ); document.write( "\n" ); document.write( "Suppose x=0
\n" ); document.write( "then our inequality gives us \r
\n" ); document.write( "\n" ); document.write( "\"-2%3C4\" <---TRUE!
\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "Second interval:
\n" ); document.write( "\"1%2F3%3Cx%3C6%2F7\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Suppose x=0.5
\n" ); document.write( "then our inequality gives us \r
\n" ); document.write( "\n" ); document.write( "\"9%3C4\" <---False!\r
\n" ); document.write( "\n" ); document.write( "Third interval:
\n" ); document.write( "\"6%2F7%3Cx%3Cinfinity\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Suppose x=1
\n" ); document.write( "then our inequality gives us \r
\n" ); document.write( "\n" ); document.write( "\"7%2F2%3C4\" <---TRUE!\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "solution:\r
\n" ); document.write( "\n" ); document.write( "\"-infinity%3Cx%3C1%2F3\" union \"6%2F7%3Cx%3Cinfinity\"
\n" ); document.write( "
\n" );