document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389675>Question 389675</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3.	The linear equation\r<BR>\n" );
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document.write( "                                     y=0.15x+0.78\r<BR>\n" );
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document.write( "represents an estimate of the average cost of gas for year x starting in 1997. The year 1997 would be represented by x = 1, for example, as it is the first year in the study. Similarly, 2005 would be year 9, or x = 9.<BR>\n" );
document.write( "a)	What year would be represented by x = 6?\r<BR>\n" );
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document.write( "b)	What x-value represents the year 2016?\r<BR>\n" );
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document.write( "c)	What is the y-intercept?\r<BR>\n" );
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document.write( "d)	What does the y-intercept represent?\r<BR>\n" );
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document.write( "e)	Assuming this growth trend continues, what will the price of gasoline be in the year 2016? How did you arrive at your answer?<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 #276204 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=276204\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a)  2002\r<BR>\n" );
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document.write( "b) x = 20\r<BR>\n" );
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document.write( "c) 0.78\r<BR>\n" );
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document.write( "d) The average cost of gas for year 1997.\r<BR>\n" );
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document.write( "e) y = 0.15*20 + 0.78 = 3.78 </SPAN>\n" );
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