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posted by kate on Friday, January 27, 2012 at 10:58am.
Calculate the average rate of change over the given interval of the given function. f (x) = x3, from x = 8 to x = 9
f(8) = 8^3 = 512 f(9) = 9^3 =729 averg rate of change = (729-512)/(9-8) = 217
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