document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181018>Question 181018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me with this please.\r<BR>\n" );
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document.write( "Do exponential functions only model phenomena that grow, or can they also model phenomena that decay?  Explain what is different in the form of the function in each case. \r<BR>\n" );
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document.write( "True or false: The function \"f(x) = 4x\" grows four times faster than the function \"g(x) = x\".  Explain.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #135684 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=135684\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Can you help me with this please. <BR>\n" );
document.write( "Do exponential functions only model phenomena that grow, or can they also model phenomena that decay?  Explain what is different in the form of the function in each case.<BR>\n" );
document.write( "Form: y = ab^x<BR>\n" );
document.write( "If 0 < b < 1 the function is a decay function.<BR>\n" );
document.write( "If b > 1 the function is a growth function <BR>\n" );
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document.write( "True or false: The function \"f(x) = 4x\" grows four times faster than the function \"g(x) = x\".  Explain.<BR>\n" );
document.write( "Yes. The slope gives the average rate. f(x)=4x has a slope of 4 and <BR>\n" );
document.write( "f(x) = x has a slope of 1.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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