document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1149567>Question 1149567</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Since 1950, the world population has risen from 2.5 billion at a rate of 1.8% per year. The equation that represents this exponential function is y=2.5(1.018) raised to x, where x represents the time in years since 1950, and y represents the world population, in billions. Estimate the population in a) 1976, b)2001, and c)2026. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #770925 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=770925\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "What do you want us to do for you on this?<br><BR>\n" );
document.write( "You are given the function; evaluate it for the given years.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+2.5%281.018%29%5Ex ALIGN=MIDDLE  ALT=\"f%28x%29+=+2.5%281.018%29%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "x is years after 1950; so 1976 is x=26, 2001 is x=51, and 2026 is x=76.<br><BR>\n" );
document.write( "Use a calculator and find the answers yourself.<br><BR>\n" );
document.write( "You learn nothing from having us do the calculations and giving you the answers....<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );