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Find the least *integer* n such that f(x) is O(x n ) for each of these functions. a)f(x) = 2x 2 + x 3 logx

Find the least *integer* n such that f(x) is O(xn) for each of these functions.

a)f(x) = 2x2 + x3logx

b)f(x) = (x4 + x2 + 1) / (x4+ 1)

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