document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77718>Question 77718</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this word problem. I understand that a linear equation is <BR>\n" );
document.write( "Ax + By + C = 0, but I don't understand how to do the following;\r<BR>\n" );
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document.write( "It is approximately 480 miles from Los Angeles, CA to San Francisco, CA/ Allowing for various traffic conditions, a driver can average approximately 60 miles per hour. \r<BR>\n" );
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document.write( "how far have you travled after t hours (i.e., write a linear function that expresses the distance traveled, d, as a function of time, t).\r<BR>\n" );
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document.write( "How far will you have left you reach San Francisco after you have traveled t hours (i.e., write a linear function that expresses the distance to be traveled to reach San Francisco, s, as a function of time, t). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #56034 by </B><A HREF=/tutors/aboutme.mpl?userid=renevencer22><B>renevencer22(21)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=renevencer22><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=56034\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ax + By + C = 0,  is a general equation of linear equation (meaning straight line)			<BR>\n" );
document.write( "A, B, & C are constant coefficient			<BR>\n" );
document.write( "x & y are variables for which y = f(x) most of the cases			<BR>\n" );
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document.write( "write a linear function that expresses the distance to be traveled to reach San Francisco, s, as a function of time, t:<BR>\n" );
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document.write( "s = vt  ,  is simplest possible linear function; that is y is  s and t is is x	<BR>\n" );
document.write( "if s = 	480	mi	from Los Angeles, CA to San Francisco, CA<BR>\n" );
document.write( "v  =	 60	mph	average approximately <BR>\n" );
document.write( "then t =  8	h	time required to reach San Francisco,  that is  t = s/v<BR>\n" );
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document.write( "note:  if you consider accelaration, it's no longer linear in function of time			<BR>\n" );
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