document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=894293>Question 894293</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm quite lost, was wondering if anyone could help me.\r<BR>\n" );
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document.write( "The function g is defined below\r<BR>\n" );
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document.write( "       g(x)=  x+1/x^2+7x-18\r<BR>\n" );
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document.write( "Find all values of x that are not in the domain of g.<BR>\n" );
document.write( "If there is more than one answer, separate them with commas.\r<BR>\n" );
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document.write( "I have no idea what a function or domain actually is and to be perfectly honest, I'm fairly worried I'm in over my head. I appreciate any and all help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #541885 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=541885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I will take a guess that what you really have for g(x) is this:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28g%28x%29=%28x%2B1%29%2F%28x%5E2%2B7x-18%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28g%28x%29=%28x%2B1%29%2F%28x%5E2%2B7x-18%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "which in pure text is this:<BR>\n" );
document.write( "g(x)=(x+1)/(x^2+7x-18)\r<BR>\n" );
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document.write( "You want to determine which values of x are not acceptable for g(x).\r<BR>\n" );
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document.write( "The denominator must not be allowed to be zero.<BR>\n" );
document.write( "This means g cannot accept any x for which <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B7x-18=0 ALIGN=MIDDLE  ALT=\"x%5E2%2B7x-18=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Factoring gives the equivalent, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-2%29%28x%2B9%29=0 ALIGN=MIDDLE  ALT=\"%28x-2%29%28x%2B9%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "the values that produce this equation are x=2 or x=-9.\r<BR>\n" );
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document.write( "<b>g(x) cannot accept the x values of x=2  nor  x=-9.</b> </SPAN>\n" );
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