document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1128246>Question 1128246</A>: <I><SPAN STYLE=\"word-break: break-all;\"> f={(1,2),(2,3),(3,3)},g={(1,0)(2,3),(3,2),(4,8)}<BR>\n" );
document.write( "a.Find f+g= </SPAN>\n" );
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document.write( "(f+g)(1) = f(1)+g(1) = 2+0 = 2<BR>\n" );
document.write( "(f+g)(2) = f(2)+g(2) = 3+3 = 6<BR>\n" );
document.write( "(f+g)(3) = f(3)+g(3) = 3+2 = 5<br><BR>\n" );
document.write( "Although g(4) is defined, f(4) is not; therefore (f+g)(4) is not defined.<br><BR>\n" );
document.write( "ANSWER: (f+g) = {(1,2),(2,6),(3,5)} </SPAN>\n" );
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