\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "DOMAIN:\r\n" );
document.write( "Project the graph from both above the x-axis and from below the x-axis ONTO the\r\n" );
document.write( "x-axis to find the domain. That's the union of the two blue intervals on the \r\n" );
document.write( "x-axis below. We include 0 and 6, so we put \"]\" after them. We don't include 3\r\n" );
document.write( "or negative infinity, so we put \"(\" before them. \r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "So the domain is \r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "RANGE:\r\n" );
document.write( "Project the graph from both the left of the y-axis and from the right of the \r\n" );
document.write( "y-axis ONTO the y-axis to find the range. Notice that the horizontal line\r\n" );
document.write( "segment at the bottom right of the graph projects only onto the single point at\r\n" );
document.write( "-8 on the y-axis. So we just put braces around it like this {-8}. Then we take\r\n" );
document.write( "the union of the set containing that single number and the blue interval on the\r\n" );
document.write( "y-axis from -2 to infinity. We include -2, so we put \"[\" before it. But we don't\r\n" );
document.write( "include infinity, so we put \")\" after it.\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "So the range is \r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "![\"\"](\"/images/stars/stars-13.gif\")
