document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=932553>Question 932553</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 15. What is the difference of f and g?\r<BR>\n" );
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document.write( "f(x) = –20x        g(x) = 2x + 9\r<BR>\n" );
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document.write( "(Points : 5)<BR>\n" );
document.write( "       a.(f – g)(x) = 22x + 9<BR>\n" );
document.write( "      b. (f – g)(x) = –18x + 9<BR>\n" );
document.write( "     c.  (f – g)(x) = –22x + 9  <BR>\n" );
document.write( "       d.(f – g)(x) = –22x – 9 </SPAN>\n" );
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