document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190534>Question 190534</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When examining the graphs of logarithmic functions, for what value(s) x is it not possible to determine log(x)? Explain your reasoning. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #142987 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=142987\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When examining the graphs of logarithmic functions, for what value(s) x is it not possible to determine log(x)? Explain your reasoning.<BR>\n" );
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document.write( "The log function is undefined for all x < 0. <BR>\n" );
document.write( "The log is an exponent of a base used to express positive numbers.<BR>\n" );
document.write( "Powers of a positive base connot express negative numbers,<BR>\n" );
document.write( "so logs are not defined for negative numbers.<BR>\n" );
document.write( "The exponent (log) can be negative but the antilog cannot be negative.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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