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History, 11.11.2019 21:31 mscharris66
In 1991, the us postal service charged $0.29 for first class letters and cards up to 1oz. by 2007, the price had increased to $0.41. let x represent year, and y represent the cost for 1oz of first class postage. find the average rate of change of cost per year. round the three decimal places, if necessary
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In 1991, the us postal service charged $0.29 for first class letters and cards up to 1oz. by 2007, t...
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