document.write( "Question 621017: List the domain for the function f(x) = x2 - 4
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document.write( "{x | x is a real number}
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document.write( "{x | x > 0}
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document.write( "{y | y > -4}
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document.write( "{y | y is a real number}
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Algebra.Com's Answer #390509 by jim_thompson5910(35256) ![]() You can put this solution on YOUR website! You can plug in any real number so the domain is \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "{x | x is a real number}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "{x | x > 0}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "{y | y > -4}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "{y | y is a real number} \n" ); document.write( " |