document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=974333>Question 974333</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Need help on how to solve this problem. Please show steps on how to write the linear function...Thank You :)\r<BR>\n" );
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document.write( "Write the linear function for the real-world situation described.\r<BR>\n" );
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document.write( " Suppose that over a 20 year period, the number of residents of voting age increased at a nearly constant rate of 2.3 million people per year. After 11 years, there were 184.5 million residents of voting age. Model the number of residents of voting age (in millions) V as a function of the number of years y since the beginning of that 20 year period. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #596268 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=596268\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2.3 is our slope m of the line<BR>\n" );
document.write( "we need to calculate the V intercept (V at year 0) which is<BR>\n" );
document.write( "184.5 - (11*2.3) =<BR>\n" );
document.write( "184.5 - 25.3 = 159.2<BR>\n" );
document.write( "this means at year 0, V was 159.2 and therefore our equation is<BR>\n" );
document.write( "V = 2.3y + 159.2<BR>\n" );
document.write( "now we want to know V after 20 years<BR>\n" );
document.write( "V = 2.3(20) + 159.2 <BR>\n" );
document.write( "V = 46 + 159.2<BR>\n" );
document.write( "V = 205.2<BR>\n" );
document.write( "After 20 years there are 205.2 million residents of voting age <BR>\n" );
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