Example 1 Video Example) Find the average value of the function f(x) = 3 + x² on the interval [-2, 4]. Solution With a = -2 and b = 4, we have 1 fave = b ² = f(x 4 10 f(x) dx -2 1 y 20+ 15 10 5 1) 11₂ (3 + x²) dx 2 4 fave = 7 6 X ↑

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