Question: A retail store estimates that weekly sales s and weekly advenising costs x (both in dollars) are related by s = 80,000 - 30,0002' -25xt

A retail store estimates that weekly sales s and weekly advenising

A retail store estimates that weekly sales s and weekly advenising costs x (both in dollars) are related by s = 80,000 - 30,0002' -25xt The current weekly advertising costs are $4,000, and these costs are increasing at a rate of $400 per week. Find the current rate of change of sales. The current rate of change of sales is $ per week, (Round to the nearest dollar as needed.)

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