document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=914142>Question 914142</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find domain of: ln(9-8x-x^2)\r<BR>\n" );
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document.write( "b = \r<BR>\n" );
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document.write( "I know this requires some log rules I am just lost on solving please help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #554890 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=554890\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ln(9-8x-x^2) = ln((x-9)(x+1))<BR>\n" );
document.write( "Keep in mind the Parent Function ln(x) <BR>\n" );
document.write( "'x' must be > 0 ..so (x-9)(x+1) as well needs to be > 0<BR>\n" );
document.write( "recommend a good graphing calculator/software to familiarize Yourself with the various Parent Functions<BR>\n" );
document.write( "FREE graph software  https://www.padowan.dk/download/ <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C+++-10%2C10%2C-10%2C10%2C+++%0D%0A+grid%281%29%2C%0D%0Agraph%28+300%2C+300%2C+-10%2C10%2C-10%2C10%2C0%2C+ln%28x%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "ln((x-9)(x+1)) domain (&#8722;&#8734;, -1) U ( 9, &#8734;)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C+++-10%2C10%2C-10%2C10%2C++blue%28line%28-1%2C10%2C-1%2C-10%29%29++%2C+blue%28line%289%2C10%2C9%2C-10%29%29++%2C+%0D%0A+grid%281%29%2C%0D%0Agraph%28+300%2C+300%2C+-10%2C10%2C-10%2C10%2C0%2C+ln%28%28x-9%29%28x%2B1%29%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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