document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=251614>Question 251614</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. the exponential equation for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; State the equation of the line asymptotic to the graph (if any).\r<BR>\n" );
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document.write( "y = 5x - 3\r<BR>\n" );
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document.write( "2.   Solve the problem.\r<BR>\n" );
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document.write( "Yearly sales of an electronic device S(t), in millions of dollars, t years after 1998 can be estimated by<BR>\n" );
document.write( "S(t) = 100 &#8729; 6t .<BR>\n" );
document.write( "What is the doubling time for the yearly sales?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #183336 by </B><A HREF=/tutors/aboutme.mpl?userid=MRperkins><B>MRperkins(300)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MRperkins><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=MRperkins><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=183336\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I think you wrote the problem down wrong.  As this is in the logarithm section and the formula is most likely exponential.  I think the problem should be:<BR>\n" );
document.write( "f(t)=100e^rt OR f(t)=100*6^t<BR>\n" );
document.write( "I don't think you can find the \"doubling time\" your originally written equation because t(0) (the sales in 1998) is 0.<BR>\n" );
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document.write( "Email me at justin.sheppard.tech@hotmail.com and I will be happy to assist you further.  Include \"algebra\" as the subject line incase it gets diverted to my junk email folder.\r<BR>\n" );
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document.write( "Thanks,<BR>\n" );
document.write( "Justin </SPAN>\n" );
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