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F (x) = |x + 3| - 1. Find the average rate of change from x = - 6 to x = 8

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  1. 4 May, 05:00
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    Average rate of change is (f (8) - f (-6)) / (8 - (-6)) = ((|8 + 3| - 1) - (|-6 + 3| - 1)) / (8 + 6) = ((|11| - 1) - (|-3| - 1)) / 14 = ((11 - 1) - (3 - 1)) / 14 = (10 - 2) / 14 = 8/14 = 4/7
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