document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389679>Question 389679</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.	Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: C(G)=3.12(G)<BR>\n" );
document.write( "a)	What does the number 3.12 represent?\r<BR>\n" );
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document.write( "b)	Find C(2)\r<BR>\n" );
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document.write( "c)	Find C(9) \r<BR>\n" );
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document.write( "d)	If you were to graph C(g), what values would make up an appropriate domain? Range? Explain your reasoning and remember to include ALL appropriate values. <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 #276220 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=276220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%28g%29+=+3.12%2Ag%0D%0A%28a%29+%7B%7B%7B3.12 ALIGN=MIDDLE  ALT=\"C%28g%29+=+3.12%2Ag%0D%0A%28a%29+%7B%7B%7B3.12\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the cost/gallon of gas<BR>\n" );
document.write( "(b) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%282%29+=+3.12%2A2 ALIGN=MIDDLE  ALT=\"C%282%29+=+3.12%2A2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%282%29+=+6.24 ALIGN=MIDDLE  ALT=\"C%282%29+=+6.24\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(c) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%289%29+=+3.12%2A9 ALIGN=MIDDLE  ALT=\"C%289%29+=+3.12%2A9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%289%29+=+28.08 ALIGN=MIDDLE  ALT=\"C%289%29+=+28.08\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(d) The domain would be appropriate values <BR>\n" );
document.write( "for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g ALIGN=MIDDLE  ALT=\"g\"   DISABLED_style= \"max-width:90%; height:auto;\" >, gallons of gas.<BR>\n" );
document.write( "You could put <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0 ALIGN=MIDDLE  ALT=\"0\"   DISABLED_style= \"max-width:90%; height:auto;\" > gallons in, but you<BR>\n" );
document.write( "can't put (-) gallons in.<BR>\n" );
document.write( "You can't put in more than the tank holds<BR>\n" );
document.write( "So the domain is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T+%3E=+g+%3E=0 ALIGN=MIDDLE  ALT=\"T+%3E=+g+%3E=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T ALIGN=MIDDLE  ALT=\"T\"   DISABLED_style= \"max-width:90%; height:auto;\" > is capacity of tank in gallons<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "The range is all appropriate values of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%28g%29 ALIGN=MIDDLE  ALT=\"C%28g%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<BR>\n" );
document.write( "The cost of putting <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g ALIGN=MIDDLE  ALT=\"g\"   DISABLED_style= \"max-width:90%; height:auto;\" > gallons in<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%28g%29+%3E=+0 ALIGN=MIDDLE  ALT=\"C%28g%29+%3E=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > since Cost is either <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0 ALIGN=MIDDLE  ALT=\"0\"   DISABLED_style= \"max-width:90%; height:auto;\" > or (+)<BR>\n" );
document.write( "and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%28g%29+%3C=+3.12T ALIGN=MIDDLE  ALT=\"C%28g%29+%3C=+3.12T\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "range is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.12T+%3E=+C%28g%29+%3E=+0 ALIGN=MIDDLE  ALT=\"3.12T+%3E=+C%28g%29+%3E=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
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