document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1122434>Question 1122434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the following state the restrictions on x <BR>\n" );
document.write( "A) y = sqrt(x-6) <BR>\n" );
document.write( "B) y= sqrt(2-x) <BR>\n" );
document.write( "C) y= 5/4-x<BR>\n" );
document.write( "D) y=8/4-x^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #738580 by </B><A HREF=/tutors/aboutme.mpl?userid=Alex.33><B>Alex.33(110)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alex.33><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=Alex.33><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=738580\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Note: when an expression is under the square root, if the result need to be a real number it need to be greater than or equal to zero. If it doesn't need to be(can be complex technically), there's no restrictions.<BR>\n" );
document.write( "When y and x are defined in all real numbers:<BR>\n" );
document.write( "A: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B6%3E=6 ALIGN=MIDDLE  ALT=\"x%2B6%3E=6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3E=6 ALIGN=MIDDLE  ALT=\"x%3E=6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "B: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2-x%3E=0 ALIGN=MIDDLE  ALT=\"2-x%3E=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3C=2 ALIGN=MIDDLE  ALT=\"x%3C=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "C,D: none because any real number x gets a real outcome y.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "When they're defined in complex set:<BR>\n" );
document.write( "No restrictions at all. Any value gets a complex result. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );