nyyank42 nyyank42

22-11-2016
Mathematics

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What is the average value of the function f(x) = x^3 - 2x + 5 on [ -2,2]?

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welshfella welshfella

25-11-2016

average value = (value of fx) at x = 2 minus value of f(x) at x = - 2) / (2 -(-2))(
= [[2^3 - 2(2) + 5] - [ -2^3 - 2(-2) + 5] ] / 4

= ( 9 - 1) / 4 = 2

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