document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=145646>Question 145646</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me Form A logarithmic function and help me <BR>\n" );
document.write( "Discuss the slope or rate of change  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #106374 by </B><A HREF=/tutors/aboutme.mpl?userid=nabla><B>nabla(475)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nabla><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=106374\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's choose the natural log (ln) for our function. This is the log function with base e.\r<BR>\n" );
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document.write( "f(x)=ln(x)\r<BR>\n" );
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document.write( "The derivative of this function is\r<BR>\n" );
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document.write( "f'(x)=1/x\r<BR>\n" );
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document.write( "Which is to say, the function is changing at an inverse proportion to its x value. </SPAN>\n" );
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