document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1125966>Question 1125966</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Some scientists believe that the average surface temperature of the world has been rising steadily.<BR>\n" );
document.write( "The average surface temperature can be modeled by<BR>\n" );
document.write( "&#119879; = 0.02&#119905; + 15<BR>\n" );
document.write( "where &#119879; is temperature in °&#119862; and &#119905; is years since 1980.<BR>\n" );
document.write( "b.1 What do the slope and &#119879;-intercept represent?<BR>\n" );
document.write( "b.2 Use the equation to predict the average global Surface temperature in 2030. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #742316 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=742316\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+T+=+.02t+%2B+15+ ALIGN=MIDDLE  ALT=\"+T+=+.02t+%2B+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1)<BR>\n" );
document.write( "the slope is is the rate of change of temperature<BR>\n" );
document.write( "the T-intercept is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+15+ ALIGN=MIDDLE  ALT=\"+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is the temperature<BR>\n" );
document.write( "when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t=0+ ALIGN=MIDDLE  ALT=\"+t=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" > in 1980<BR>\n" );
document.write( "(2) <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2030+-+1980+=+50+ ALIGN=MIDDLE  ALT=\"+2030+-+1980+=+50+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+T+=+.02%2A50+%2B+15+ ALIGN=MIDDLE  ALT=\"+T+=+.02%2A50+%2B+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+T+=+16+ ALIGN=MIDDLE  ALT=\"+T+=+16+\"   DISABLED_style= \"max-width:90%; height:auto;\" > degrees C\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );