document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=219411>Question 219411</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you find the rate of change?<BR>\n" );
document.write( "The cost of group musuem tickets is $48 for four people and $78 for ten people. </SPAN>\n" );
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document.write( "The cost of group musuem tickets is $48 for four people and $78 for ten people.<BR>\n" );
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document.write( "You have two points: (4,48) and (10,78).<BR>\n" );
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document.write( "rate of change = slope = (78-48)/(10-4) = 30/6 = $5 for each additional person.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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