document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213118>Question 213118</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the domain of the function f(x) = (x squared - 1 )(-1) (the neg 1 is a power) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161021 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=161021\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Do you mean <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=+%28x%5E2-1%29%5E-1+ ALIGN=MIDDLE  ALT=\"f%28x%29=+%28x%5E2-1%29%5E-1+\"   DISABLED_style= \"max-width:90%; height:auto;\" >?\r<BR>\n" );
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document.write( "If so, then write it this way:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+1%2F%28x%5E2+-1%29+ ALIGN=MIDDLE  ALT=\"f%28x%29+=+1%2F%28x%5E2+-1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Denominators must NEVER equal zero!  In this case, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+1+ ALIGN=MIDDLE  ALT=\"x%5E2+-+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > must NOT equal zero!, so x cannot equal 1 or -1.\r<BR>\n" );
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document.write( "Domaim:  all values of x except 1 and -1.\r<BR>\n" );
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document.write( "For a \"non-traditional\" explanation of Domain and Range, please see my website.  Do a \"Bing\" search for my last name \"Rapalje\".  Look for \"Rapalje Homepage\" near the top of this search list.  On my Homepage, click on the link \"Rapalje Videos\", and choose either Intermediate Algebra or College Algebra (two different videos at different levels of explanation!), and look for \"Functions, Domain, and Range\".\r<BR>\n" );
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document.write( "For a written explanation, return to my homepage, choose \"MATH IN LIVING COLOR\", \"College Algebra\", \"Chapter 2\", \"Functions, Domain, and Range.\" or send me an Email, and I'll be glad to send you the link.\r<BR>\n" );
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document.write( "R^2\r<BR>\n" );
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document.write( "Dr. Robert J. Rapalje<BR>\n" );
document.write( "Seminole  Community College<BR>\n" );
document.write( "Altamonte Springs Campus  </SPAN>\n" );
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