document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1014425>Question 1014425</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In 1998&#8203;, there were 41,175 shopping centers in a certain country. In 2008&#8203;, there were 48 comma 48,723.<BR>\n" );
document.write( "&#8203;(a) Write an equation expressing the number y of shopping centers in terms of the number x of years after 1998.<BR>\n" );
document.write( "&#8203;(b) When will the number of shopping centers reach 60,000&#8203;? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #630720 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=630720\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  In 1998&#8203;, there were 41,175 shopping centers in a certain country. In 2008&#8203;, there were 48 comma 48,723.<BR>\n" );
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document.write( "slope = (48,723-41175)/(2008-1998) = 7548/10 = 754.8<BR>\n" );
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document.write( "intercept = f(1998) = 41175<BR>\n" );
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document.write( "&#8203;(a) Write an equation expressing the number y of shopping centers in terms of the number x of years after 1998.<BR>\n" );
document.write( "f(x) = 754.8x + 41,175<BR>\n" );
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document.write( "&#8203;(b) When will the number of shopping centers reach 60,000&#8203;? <BR>\n" );
document.write( "Solve::<BR>\n" );
document.write( "60,000 = 754.8x + 41.175<BR>\n" );
document.write( "754.8x = 18825<BR>\n" );
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document.write( "x = 24.94<BR>\n" );
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document.write( "Ans:: 1998 + 24.94 = 2023 when rounded up<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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