document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1003257>Question 1003257</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is the equation y=x^2 a function? Give the domain and range </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #620262 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=620262\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Yes, y = x^2 is a function in terms of x.\r<BR>\n" );
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document.write( "Because it produces a valid output for all real x, its domain is the entire real number line, <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \mathbb{R}\"> (we can also use <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large (-\infty, \infty)\">).\r<BR>\n" );
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document.write( "For real x, x^2 is always non-negative, so its range is <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large [0, \infty)].\"> </SPAN>\n" );
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