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Exercises

Page (3 of 13) Exercises:   1    2    3    4    5    6    7    8    9    10    11    12    13  

Exercise 3

  • Let W be the area between the graph of and the x-axis on the interval [1,4].
  • Draw W.
  • Use a Left-Hand Sum with 3 subintervals to approximate the area of W. Draw W and the rectangles used in this Left-Hand Sum on the same graph.
  • Use a Left-Hand Sum with 6 subintervals to approximate the area of W. Draw W and the rectangles used in this Left-Hand Sum on the same graph.
  • Are your approximations in parts (b) and (c) bigger or smaller than the actual area of W?
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