document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1166505>Question 1166505</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sales of a portable MP3 players grr approximately exponentially from $0.05 billion in 2001 to $0.65 billion in 2005. Predict the sales of the MP3 in 2007 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #791628 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=791628\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (0, 0.05)<BR>\n" );
document.write( "(4, 0.65)<BR>\n" );
document.write( "y=ab^x<BR>\n" );
document.write( "0.05=ab^0  so a is 0.05<BR>\n" );
document.write( "0.65=0.05b^4<BR>\n" );
document.write( "13=b^4<BR>\n" );
document.write( "b=1.899 or 1.9<BR>\n" );
document.write( "2007 is x=6<BR>\n" );
document.write( "y=0.05*1.9^6<BR>\n" );
document.write( "=$2.35 billion. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );