The monthly electricity bill at the Chez Paul Restaurant over the past 12 months has been as follows: Month Amount (Sh.) December January February March April May June 30,660 27,190 30,570 30,640 29,730 31,530 29,720 July August September October November 33,070 30,010 27,550 30,130 27,940 Paul is considering using exponential
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