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1. Find the average value of the function f(x)= 1/ (x^2-9) on the interval from 0...

1. Find the average value of the function f(x)= 1/ (x^2-9) on the interval from 0 ≤ x ≤ 1

2. Find the arc-length of the function f(x)= x^2 from 0 ≤ x ≤ 2

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