document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389686>Question 389686</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 #276240 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=276240\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a: 3.12 is the price per gallon.\r<BR>\n" );
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document.write( "For b,c just substitute the given values into the equation C(g) = 3.12g\r<BR>\n" );
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document.write( "d: The domain and range are both on the nonnegative real numbers, since you can only buy a positive amount of gas (or zero). </SPAN>\n" );
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