document.write( "Question 621017: List the domain for the function f(x) = x2 - 4
\n" ); document.write( "Question options:
\n" ); document.write( "
\n" ); document.write( "{x | x is a real number}
\n" ); document.write( "
\n" ); document.write( "{x | x > 0}
\n" ); document.write( "
\n" ); document.write( "{y | y > -4}
\n" ); document.write( "
\n" ); document.write( "{y | y is a real number}
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #390509 by jim_thompson5910(35256)\"\" \"About 
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( "
\n" );