A retail store estimates that weekly sales s and weekly advertising costs x (both in dollars) are related by S = 80,000 − 30,000e−0.0004x. The current weekly advertising costs are $2,500,and these costs are increasing at a rate of $400 per week. Find the current rate of change of sales. The current rate of change of sales is ......$ enter per week.(Round to the nearest dollar as needed.)
A retail store estimates that weekly sales s and weekly advertising costs x (both in dollars) are related by S = 80,000 − 30,000e−0.0004x. The current weekly advertising costs are $2,500,and these costs are increasing at a rate of $400 per week. Find the current rate of change of sales. The current rate of change of sales is ......$ enter per week.(Round to the nearest dollar as needed.)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A retail store estimates that weekly sales s and weekly advertising costs x (both in dollars) are related by
S = 80,000 − 30,000e−0.0004x.
The current weekly advertising costs are $2,500,and these costs are increasing at a rate of $400 per week.Find the current rate of change of sales.
The current rate of change of sales is ......$ enter per week.(Round to the nearest dollar as needed.)
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