document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165927>Question 1165927</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a newly opened department store, a couple bought a double deck for their two kids. Following the policy of the department store, they paid the cost of the purchased item the 12% sales tax, and the 300.00 delivery charge.\r<BR>\n" );
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document.write( "a. Write a function g(x) for the total amount, after taxes, on the purchase amount x.<BR>\n" );
document.write( "b. Write another f(x) for the total including the delivery fee, on the purchase amount x.<BR>\n" );
document.write( "c. Determine and interpret f circle g (x). Which result in a  lower cost.<BR>\n" );
document.write( "d. Suppose taxes , by law, are not to be charged on delivery fees which composite function must then be used?\r<BR>\n" );
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document.write( "Please help me. Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #790430 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39628)</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=790430\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -------------------------------------------------------<BR>\n" );
document.write( "b. Write another f(x) for the total including the delivery fee, on the purchase amount x.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=x%2B0.12x%2B300 ALIGN=MIDDLE  ALT=\"f%28x%29=x%2B0.12x%2B300\"   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%28f%28x%29=1.12x%2B300%29 ALIGN=MIDDLE  ALT=\"highlight%28f%28x%29=1.12x%2B300%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This includes the tax and the delivery.\r<BR>\n" );
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document.write( "a. Write a function g(x) for the total amount, after taxes, on the purchase amount x.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28g%28x%29=1.12x%29 ALIGN=MIDDLE  ALT=\"highlight%28g%28x%29=1.12x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >--------this was not described to include the delivery charge. </SPAN>\n" );
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