document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1122939>Question 1122939</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mr Potter is selling piggy back rides. For 10 minute ride $2.50 and for 25 minute ride $4.25<BR>\n" );
document.write( "In standard form write a linear model to describe the cost of riding <BR>\n" );
document.write( "Calculate cost for 1 hour ride<BR>\n" );
document.write( "What are domain and range<BR>\n" );
document.write( "Explain the significance of the y intercept of this graph </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #739118 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=739118\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The question about \"one-hour rides\" means that the description is of two points.  One hour is 60 minutes.\r<BR>\n" );
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document.write( "(x,y) as  (10, 2.5) and (25, 4.25).<BR>\n" );
document.write( "The question asks for the point (60, v).\r<BR>\n" );
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document.write( "Slope, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F60 ALIGN=MIDDLE  ALT=\"7%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-2.5=%287%2F60%29%28x-10%29 ALIGN=MIDDLE  ALT=\"y-2.5=%287%2F60%29%28x-10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%287%2F60%29%28x-10%29%2B2.5 ALIGN=MIDDLE  ALT=\"y=%287%2F60%29%28x-10%29%2B2.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%287%2F60%29x-1%2F6%2B2.5 ALIGN=MIDDLE  ALT=\"y=%287%2F60%29x-1%2F6%2B2.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=%287%2F60%29x%2B2%261%2F3%29 ALIGN=MIDDLE  ALT=\"highlight%28y=%287%2F60%29x%2B2%261%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The fixed cost for any ride no-matter length of time is $2.33;<BR>\n" );
document.write( "which is the y-intercept.\r<BR>\n" );
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document.write( "If x is 1 hour, or 60 minutes,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=9.33 ALIGN=MIDDLE  ALT=\"y=9.33\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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