document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1208117>Question 1208117</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Energy conservation experts estimate that homeowners can save 5% to 10% on winter heating bills by programming their thermostats 5 to 10 degrees lower while sleeping.In the given graph,the temperature T (in degrees Fahrenheit) of a home is given as a function of time t(in hours after midnight) over a 24-hour period.\r<BR>\n" );
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document.write( "A. The homeowner reprograms the thermostat to y = T(t) - 2. Explain how this affects the temperature in the house. \r<BR>\n" );
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document.write( "B. The homeowner reprograms the thermostat to y = T(t + 1). Explain how this affects the temperature in the house. <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #846287 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52803)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=846287\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "(A)  &nbsp;&nbsp;The temperature &nbsp;y= T(t)-2 &nbsp;becomes &nbsp;2 &nbsp;degrees lower/colder.\r<BR>\n" );
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document.write( "(B)  &nbsp;&nbsp;The changes of the temperature with the termostat &nbsp;y = T(t+1) &nbsp;happen in one hour earlier than with the thermostat y = T(t).\r<BR>\n" );
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