document.write( "Question 466981: kindly answer this one with solution\r
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Algebra.Com's Answer #320287 by Edwin McCravy(20059) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "y = x² + 3x - 2\r\n" );
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document.write( "We find the vertex as the point\r\n" );
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document.write( "Here is the graph:\r\n" );
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document.write( "To find the DOMAIN draw a HORIZONTAL line near the\r\n" );
document.write( "x-axis and that extends from the LEFT-most part of \r\n" );
document.write( "the graph to the RIGHT-most part of the graph.  That's\r\n" );
document.write( "the HORIZONTAL green line drawn below:\r\n" );
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document.write( "The graph would extend infinitely far to the right\r\n" );
document.write( "and infinitely far to the right, if all of the graph could\r\n" );
document.write( "be drawn, so would the hroizontal green line.  So the\r\n" );
document.write( "DOMAIN is:\r\n" );
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document.write( "(,)\r\n" );
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document.write( "To find the RANGE draw a VERTICAL line near the\r\n" );
document.write( "y-axis and that extends from the LOWEST part of \r\n" );
document.write( "the graph to the UPPERMOST part of the graph.  That's\r\n" );
document.write( "the VERTICAL green line drawn below:\r\n" );
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document.write( "The RANGE is\r\n" );
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document.write( "It extends from the vertex at  to +infinity.\r\n" );
document.write( "Because it includes its lowest point, the vertex,\r\n" );
document.write( "we use \"[\".\r\n" );
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document.write( "Edwin

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