Mean Value Theorem (video)

What if we want to find the average of an infinite number of values? How do we calculate the average value of the function f(x) = x3 in the interval [1, 2]?
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How to calculate the mean value

The mean value (also called the average) is simply the average of the numbers. It is easy to calculate: just add up the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

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