A shopkeeper earns 380 in the first week, 660 in the second week and *.860 in...

  

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A shopkeeper earns 380 in the first week, 660 in the second week and *.860 in the third week. On plotting the points (1, 380), (2, 660) and (3, 860), the shopkeeper feels that a quadratic function may fit the data. (i) Find the quadratic function that fits the data. (ii) Using your model make a prediction of the earning for the fourth week. A shopkeeper earns 380 in the first week, 660 in the second week and *.860 in the third week. On plotting the points (1, 380), (2, 660) and (3, 860), the shopkeeper feels that a quadratic function may fit the data. (i) Find the quadratic function that fits the data. (ii) Using your model make a prediction of the earning for the fourth week.

Answer rating: 100% (QA)

Quadratic equation General form y ax 2 bx c Substituting plotting points into ... View the full answer