document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=838230>Question 838230</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sales tax in one state is 7%. Write a function rule for finding the total cost of an item with selling price x. Then find the total cost of a CD player with a selling price of $150.<BR>\n" );
document.write( "a.<BR>\n" );
document.write( "f(x) = x – 7; $148.93<BR>\n" );
document.write( "c.<BR>\n" );
document.write( "f(x) = 7 + x; $151.07<BR>\n" );
document.write( "b.<BR>\n" );
document.write( "f(x) = 0.07x; $10.50<BR>\n" );
document.write( "d.<BR>\n" );
document.write( "f(x) =1.07x; $160.50 </SPAN>\n" );
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