document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131738>Question 1131738</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln for various times (in minutes) is shown in the following table.<BR>\n" );
document.write( "Time (min)	Temperature (°F)<BR>\n" );
document.write( "15	2000<BR>\n" );
document.write( "20	1950<BR>\n" );
document.write( "30	1850<BR>\n" );
document.write( "60	1550<BR>\n" );
document.write( "(a) Find a linear model for the temperature of the pottery after t minutes.<BR>\n" );
document.write( "T(t) =_______<BR>\n" );
document.write( "(b) Explain the meaning of the slope of this line in the context of the problem.<BR>\n" );
document.write( "The value of the slope means that the temperature is decreasing at a rate of______°F per minute.\r<BR>\n" );
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document.write( "(c) Assuming the temperature continues to decrease at the same rate, what will be the temperature of the pottery in 3 hours?____________°F </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #748403 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=748403\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The data looks like a line.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T=mx%2Bb ALIGN=MIDDLE  ALT=\"T=mx%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=f-mx ALIGN=MIDDLE  ALT=\"b=f-mx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=1550-%28%281550-2000%29%2F%2860-15%29%2960 ALIGN=MIDDLE  ALT=\"b=1550-%28%281550-2000%29%2F%2860-15%29%2960\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=1550%2B%28450%2F45%2960 ALIGN=MIDDLE  ALT=\"b=1550%2B%28450%2F45%2960\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=1550%2B600 ALIGN=MIDDLE  ALT=\"b=1550%2B600\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=2150 ALIGN=MIDDLE  ALT=\"b=2150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28T=-10x%2B2150%29 ALIGN=MIDDLE  ALT=\"highlight_green%28T=-10x%2B2150%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "3 hours is 180 minutes.<BR>\n" );
document.write( "If 180 minutes counted from time of removal from kiln then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T=-10%2A180%2B2150=highlight_green%28350%29 ALIGN=MIDDLE  ALT=\"T=-10%2A180%2B2150=highlight_green%28350%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );