Question: Suppose 3n2+7n is a function defined on the positive integers. Since 3n2+7n is O(n2), there are witnesses C and k such that 3n2 + 7n

Suppose 3n2+7n is a function defined on the positive integers. Since 3n2+7n is O(n2), there are witnesses C and k such that 3n2 + 7n C n2 for all integers n > k. Suppose C = 4, what is the smallest value for k?

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