document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1199060>Question 1199060</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8. ln (e5)\r<BR>\n" );
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document.write( "A. 4<BR>\n" );
document.write( "B. 5<BR>\n" );
document.write( "C. 2<BR>\n" );
document.write( "D. 0<BR>\n" );
document.write( "E. 3<BR>\n" );
document.write( "F. 1\r<BR>\n" );
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document.write( "9. ln (-5)\r<BR>\n" );
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document.write( "A. 1<BR>\n" );
document.write( "B. 2<BR>\n" );
document.write( "C. 0<BR>\n" );
document.write( "D. no solution<BR>\n" );
document.write( "E. 4<BR>\n" );
document.write( "F. 3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #832756 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=832756\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "Logs and exponential functions of the same base cancel each other out.<BR>\n" );
document.write( "Ln(e^x) = x\r<BR>\n" );
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document.write( "Therefore,<BR>\n" );
document.write( "Ln(e^5) = 5\r<BR>\n" );
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document.write( "The natural log function has a domain of x > 0<BR>\n" );
document.write( "Meaning that Ln(-5) leads to \"no solution\".\r<BR>\n" );
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document.write( "The reasoning is that y = e^x is entirely above the x axis for all real numbers x. It's impossible to have y be negative (unless you involve complex numbers in the form a+bi)<BR>\n" );
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