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Definite Integrals
Definite Integrals
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Page (3 of 5) Exercises:   1    2    3    4    5  
Exercise 3

Let f (x) = 4x + 6 on the interval [2,8]. How many rectangles must we use to ensure that the left-hand sum is within 0.25 of the exact area between f and the x-axis on this interval?


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