document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=878591>Question 878591</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Equation is double checked... exactly as written in the work book:\r<BR>\n" );
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document.write( "After t years, the annual sales in hundreds of thousands of units of a product q is given by  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=q=%281%2F2%29%5E%280.8%29%5E%28t%29 ALIGN=MIDDLE  ALT=\"q=%281%2F2%29%5E%280.8%29%5E%28t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > q=(1/2)^(0.8)^(t)\r<BR>\n" );
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document.write( "a) find the annual sales of the product after 7 years? \r<BR>\n" );
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document.write( "b) After how many years will the annual sales be 64 171 units? <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 #530106 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=530106\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Oops, my mistake. I had 8 and not 0.8 as the exponent.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=q%287%29=100000%2A%281%2F2%29%5E%28%280.8%29%5E7%29=86471 ALIGN=MIDDLE  ALT=\"q%287%29=100000%2A%281%2F2%29%5E%28%280.8%29%5E7%29=86471\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=q%282%29=100000%2A%281%2F2%29%5E%28%280.8%29%5E2%29=64172 ALIGN=MIDDLE  ALT=\"q%282%29=100000%2A%281%2F2%29%5E%28%280.8%29%5E2%29=64172\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2 years\r<BR>\n" );
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