document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389281>Question 389281</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let the function f be defined by the equation y = f(x), where x and f(x) are real numbers.  Find the domain of the function.\r<BR>\n" );
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document.write( "f(x)= sqrt of x^2-64\r<BR>\n" );
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document.write( "(the sqrt is of the x^2-64 not just the 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 #275825 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=275825\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+sqrt%28x%5E2+-+64%29 ALIGN=MIDDLE  ALT=\"f%28x%29+=+sqrt%28x%5E2+-+64%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "For the function to be defined on the real numbers, the square root expression must be nonnegative. Therefore,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+64+%3E=+0 ALIGN=MIDDLE  ALT=\"x%5E2+-+64+%3E=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%3E=+64 ALIGN=MIDDLE  ALT=\"x%5E2+%3E=+64\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%3E=+8 ALIGN=MIDDLE  ALT=\"x+%3E=+8\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%3C=+-8 ALIGN=MIDDLE  ALT=\"x+%3C=+-8\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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