document.write( "Question 1024785: Find the domain and range\r
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Algebra.Com's Answer #640166 by ikleyn(52803) $\"\"$ $\"About$

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\n" ); document.write( "Find the domain and range\r
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document.write( "The domain is (, ), the set of all real numbers.\r\n" );
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document.write( "The range is from  to .\r\n" );
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document.write( "Find the maximum of f(x).\r\n" );
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document.write( "It is y-coordinate of its vertex.\r\n" );
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document.write( "To find it, you can complete the square:\r\n" );
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document.write( " =  =  =  + .\r\n" );
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document.write( "The maximum is at x = -5, and it is equal to 25.\r\n" );
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document.write( "Hence, the range is (, ).\r\n" );
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