document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89883>Question 89883</A>: <I><SPAN STYLE=\"word-break: break-all;\">    1. In the real world, what might be a situation where it is preferable for the data to form a relation but not a function?<BR>\n" );
document.write( "   2. There is a formula that converts temperature in degrees Celsius to temperature in degrees Fahrenheit.  You are given the following data points:\r<BR>\n" );
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document.write( "        	Fahrenheit 	Celsius<BR>\n" );
document.write( "      Freezing point of water 	 32 	 0<BR>\n" );
document.write( "      Boiling point of water 	 212 	 100\r<BR>\n" );
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document.write( "         1. Find the linear equation that expresses temperature in degrees Fahrenheit as a function of temperature in degrees Celsius.<BR>\n" );
document.write( "         2. Find the linear equation that expresses temperature in degrees Celsius as a function of temperature in degrees Fahrenheit.<BR>\n" );
document.write( "         3. How do the graphs of these two functions differ? \r<BR>\n" );
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document.write( "      Do not just list the functions. You must show all of the steps you used to derive the functions. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #65250 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=65250\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2. There is a formula that converts temperature in degrees Celsius to temperature in degrees Fahrenheit. You are given the following data points: <BR>\n" );
document.write( "Fahrenheit Celsius<BR>\n" );
document.write( "Freezing point of water 32 0<BR>\n" );
document.write( "Boiling point of water 212 100 <BR>\n" );
document.write( "1. Find the linear equation that expresses temperature in degrees Fahrenheit as a function of temperature in degrees Celsius.<BR>\n" );
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document.write( "slope = (212-32)/(100-0) = 180/100 = 9/5<BR>\n" );
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document.write( "The equation is y=mx+b where m=9/5,and y=32 when x=30<BR>\n" );
document.write( "32=(9/5)*0+b<BR>\n" );
document.write( "b=32<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "Fahrenheit = (9/5)(Celcius)+32<BR>\n" );
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document.write( "2. Find the linear equation that expresses temperature in degrees Celsius as a function of temperature in degrees Fahrenheit.<BR>\n" );
document.write( "Celcius = (Fahrenheit-32)*(5/9)<BR>\n" );
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document.write( "3. How do the graphs of these two functions differ? <BR>\n" );
document.write( "One is the inverse of the other.<BR>\n" );
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document.write( " </SPAN>\n" );
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