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Question
A retail sporting goods store estimates that weekly sales and weekly advertising costs are related by the equation
. The current weekly advertising costs are $1700, and these costs are increasing at a rate of $130 per week. Find the current rate of change of weekly sales.A) 162,500 dollars per week
B) 164,770 dollars per week
C) 87,420 dollars per week
D) 85,150 dollars per week
E) 1,021,570 dollars per week
Answer
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