document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66822>Question 66822</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0072549017/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Here is the original question and answer this is based off of: Think about a real-life situation that follows a linear equation, with the independent variable being Years. What would the slope tell you about future years?<BR>\n" );
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document.write( "A real life situation where an independent variable representing years would be in the medical field. For instance, a doctor examining an individual who smoked would show signs of damage done to the individuals lungs because of the smoking. The variable would independently represent the years the individuals smoked. <BR>\n" );
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document.write( "Now my instructor wants us to create and equation or inequality that could be used for analysis, prediction, or decision making. Then, draw a graph to depict the variables in your situation. Use your graph and what you know about linear inequalities to discuss the significance of your findings.<BR>\n" );
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document.write( "I came up with the 29 year old that has smoked for 12 years. I do not know what to do or how to do this. Help is despratley needed here. :0) Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47529 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=47529\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If adult lung capacity is 800 cc the following equation <BR>\n" );
document.write( "shows an adults lung capacity after t years of smoking:<BR>\n" );
document.write( "L(t) <=  800-20t<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28600%2C400%2C-1%2C50%2C-1%2C900%2C-20x%2B800%29 ALIGN=MIDDLE  ALT=\"graph%28600%2C400%2C-1%2C50%2C-1%2C900%2C-20x%2B800%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Questions: After how many years of smoking will lung<BR>\n" );
document.write( "capacity be below 50%?<BR>\n" );
document.write( "Questions: After how many years of smoking would lung<BR>\n" );
document.write( "capacity cease to support life?<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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