document.write( "Question 1039547: Can someone check my work\r
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Algebra.Com's Answer #654321 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Sorry, but they're both wrong.\r\n" );
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document.write( "The \"4 if \" tells us that the circle at (-1,4)\r\n" );
document.write( "is included and therefore should be darkened \"●\" and the \r\n" );
document.write( "\"-4 if \" tells us that the circle at (-1,-4) is \r\n" );
document.write( "not included and should be open \"o\".\r\n" );
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document.write( "And in the other problem negative infinity is always written\r\n" );
document.write( "left of infinity.\r\n" );
document.write( "This: , not this:  \r\n" );
document.write( "Edwin

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