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CalculusQ&A LibraryA retail store estimates that weekly sales s and weekly advertising costs x (both in dollars) are related by -0.0007x s = 50000 – 380000e The current weekly advertising costs are 2000 dollars and these costs are increasing at the rate of 300 dollars per week. Find the current rate of change of sales.Start your trial now! First week only $4.99!*arrow_forward*

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