document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=53955>Question 53955</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My son's teacher game him this problem and i want to help him work throught.  But I must first figure it out.\r<BR>\n" );
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document.write( "Here goes.\r<BR>\n" );
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document.write( "A teacher gives one second of math homework the first day of school.  The second day 2 seconds, the third day 4 seconds and so on.  How many seconds of homework will the student have on the 36th day of school? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #36205 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=36205\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This could look like a parabola or an exponential equation or other things (which I don't are what you are looking for.)<BR>\n" );
document.write( "Exponential: You need a y-value of zero<BR>\n" );
document.write( "(0,1) and (2,4)<BR>\n" );
document.write( "y = a(b^x)<BR>\n" );
document.write( "1 = a(b^0) which is: 1 = a<BR>\n" );
document.write( "y = b^x<BR>\n" );
document.write( "4 = b^2<BR>\n" );
document.write( "2 = b<BR>\n" );
document.write( "~> y = 2^x<BR>\n" );
document.write( "But we want 1 day to be 1 second, not 0 days to be 1 second.<BR>\n" );
document.write( "~> y = 2^(x - 1)<BR>\n" );
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