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4 Andy bought an airplane and wanted to determine the most efficient power setting She...

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Basic Math

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4 Andy bought an airplane and wanted to determine the most efficient power setting She kept records on the range of the aircraft in kilometers starting with a full tank of fuel for a number of power settings in revolutions per minute rpm The results are T 15 shown below Power Setting rpm Range km 1500 1600 1700 1800 1900 649 695 733 763 785 a Does the Power Setting show equal intervals b Calculate the first differences What does it imply about the rate of change constant increasing decreasing c Calculate the second difference What does it imply

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