document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=388860>Question 388860</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I express this as an equation so I can graph it? <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Over+a+10-year+period%2C+the+average+cost%2C+c+of+bus+fare+is+is+modeled+by+c+=+.85%2B.10t+where+t=0+represents+the+beginning+of+the+period. ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275267 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=275267\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do I express this as an equation so I can graph it? <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Over+a+10-year+period%2C+the+average+cost%2C+c+of+bus+fare+is+modeled+by+c+=+.85%2B.10t+where+t=0+represents+the+beginning+of+the+period. ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "You have it expressed as an equation:<BR>\n" );
document.write( "c(t) = 0.85+0.10t<BR>\n" );
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document.write( "You need two points.<BR>\n" );
document.write( "Use (0,0.85) and (10,1.85)<BR>\n" );
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document.write( "Plot the points and draw a line thru them to get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C100%2C-10%2C10%2C0.85%2B0.1x%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C100%2C-10%2C10%2C0.85%2B0.1x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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