document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=78019>Question 78019</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Graph the relation and state its domain and range.\r<BR>\n" );
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document.write( "x=y^2-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #55942 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=55942\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Graph the relation and state its domain and range. <BR>\n" );
document.write( "x=y^2-1<BR>\n" );
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document.write( "Since y is not in a denominator and y is not in a radical, y can take<BR>\n" );
document.write( "any value. <BR>\n" );
document.write( "So, Range is All Real Numbers.<BR>\n" );
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document.write( "Since y^2 is always >0 zero<BR>\n" );
document.write( "y^2-1 must be >=1.<BR>\n" );
document.write( "So, Domain is All Real Numbers that are >=1<BR>\n" );
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document.write( "To graph, solve for y:<BR>\n" );
document.write( "y=sqrt(x+1) OR y=-sqrt(x+1)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-5%2C20%2C-20%2C20%2Csqrt%28x%2B1%29%2C-sqrt%28x%2B1%29%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-5%2C20%2C-20%2C20%2Csqrt%28x%2B1%29%2C-sqrt%28x%2B1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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