document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39547>Question 39547</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the domain of function <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=sqrtx%5E2+-25 ALIGN=MIDDLE  ALT=\"y=sqrtx%5E2+-25\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "show your answer in a graphical solution.\r<BR>\n" );
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document.write( "Someone please help me please!!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25001 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=25001\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Domain means all allowable values of x.  In<BR>\n" );
document.write( "y = sqrt(x^2 - 25)<BR>\n" );
document.write( "Notice that the radicand, x^2 - 25, cannot be less than zero...so if we set<BR>\n" );
document.write( "x^2 - 25 &#8805; 0<BR>\n" );
document.write( "we can determine the domain...<BR>\n" );
document.write( "x^2 &#8805; 25<BR>\n" );
document.write( "|x| &#8805; 5<BR>\n" );
document.write( "Thus all values satisfying the above are in the domain.<BR>\n" );
document.write( "So x must be <BR>\n" );
document.write( "x &#8805; 5 or x &#8804; -5 </SPAN>\n" );
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