document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=369593>Question 369593</A>: <I><SPAN STYLE=\"word-break: break-all;\"> FIND THE DOMAIN OF THE FUNCTION<BR>\n" );
document.write( "f(x)= 4/ square root of x - 9\r<BR>\n" );
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document.write( "\"f(x) equals 4 divided by the square root of x - 9\"\r<BR>\n" );
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document.write( "The answer is  x > 9.<BR>\n" );
document.write( "But I keep getting the answer- x is greater than OR EQUAL to 9.\r<BR>\n" );
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document.write( "What am i doing wrong?? HELP PLEASE. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #263387 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=263387\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The domain of the function is all the x values for which <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29 ALIGN=MIDDLE  ALT=\"f%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is defined.<BR>\n" );
document.write( "The square root function is defined as long as the argument is not negative.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-9%3E=0 ALIGN=MIDDLE  ALT=\"x-9%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%3E=9 ALIGN=MIDDLE  ALT=\"x%3E=9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Division by zero is also undefined so the x value when the denominator equals zero is not in the domain. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-9=0 ALIGN=MIDDLE  ALT=\"x-9=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=9 ALIGN=MIDDLE  ALT=\"x=9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
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document.write( "So both of those must hold: x must be greater than or equal to 9 and x cannot equal 9, so that leaves that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3E9 ALIGN=MIDDLE  ALT=\"x%3E9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Domain:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3E9 ALIGN=MIDDLE  ALT=\"x%3E9\"   DISABLED_style= \"max-width:90%; height:auto;\" > or in interval notation, (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9 ALIGN=MIDDLE  ALT=\"9\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=infinity ALIGN=MIDDLE  ALT=\"infinity\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-2%2C18%2C-10%2C10%2C0%2C4%2Fsqrt%28x-9%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-2%2C18%2C-10%2C10%2C0%2C4%2Fsqrt%28x-9%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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