a retail store estamates that weekly advertising cost x (both in dollars) are related by s=70,000-30,000e^-0.0004x. the current weekly advertising cost is 4,000 and these cost are increasing at a rate of $400 per week. find the current rate of change in sales.
a retail store estamates that weekly advertising cost x (both in dollars) are related by s=70,000-30,000e^-0.0004x. the current weekly advertising cost is 4,000 and these cost are increasing at a rate of $400 per week. find the current rate of change in sales.
Chapter6: Exponential And Logarithmic Functions
Section6.1: Exponential Functions
Problem 63SE: In the year 1985, a house was valued at 110,000. Bythe year 2005, the value hadappreciated to...
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a retail store estamates that weekly advertising cost x (both in dollars) are related by s=70,000-30,000e^-0.0004x. the current weekly advertising cost is 4,000 and these cost are increasing at a rate of $400 per week. find the current rate of change in sales.
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