Calc Help
The daily sales, S, in thousands of dollars, is a function of the money, x, spent on advertising (in thousands of dollars) according to: S(x)= x^3+9x^2+6/6. Find the xcoordinate of the point of diminishing returns. How much money is spent on advertising when you reach the point of diminishing returns?
Wouln't the point at which S'=0 change the sign of the returns?
asked by
Rob
Respond to this Question
Similar Questions

Calculus
The relationship between the amount of money x that Cannon Precision Instruments spends on advertising and the company's total sales S(x) is given by the following function where x is measured in thousands of dollars. S(x) = 
math
a company's monthly sales, in thousands, is given by s(x,y)=9x^.8y^.5. where x is the amount spent on newspaper advertising per month in thousands of dollars and y is the amount spent on radio advertising per month in thousands of 
math
The profit p(x) of a cosmetics company in thousands of dollars is given by P(x) = 5x^2 + 400x  2550, where x is the amount spent on advertising, in thousands of dollars. What amount must be spent on advertising to obtain a 
Math( help please ! )
The profit p(x) of a cosmetics company , in thousands of dollars . is given by p(x) =5t^2=400x2550, where x is the amount spent on advertising in thousands of dollars a) determine the maximum profit the company can make b) 
Math Problem (please help)
A company that manufactures bicycles estimates that the profit P (in dollars) for selling a particular model is given by the equation shown below, where x is the advertising expense (in tens of thousands of dollars). P = –35x3 + 
Math( help please ! )
The profit p(x) of a cosmetics company , in thousands of dollars,is given by p(x)=5x^2+400x2550, where x is the amount spent on advertising , in thousands of dollars a) determine the max profit the company can make b)Determine 
Math
The profit p(x) of a perfume company , in thousands of dollars,is given by p(x)=5x^2+400x2550, where x is the amount spent on advertising , in thousands of dollars a) determine the max profit the company can make b)Determine the 
Stats
Observations are taken on sales of a certain mountain bike in 30 sporting goods stores. The regression model was Y = total sales (thousands of dollars), X1 = display floor space (square meters), X2 = competitors’ advertising 
Statistics
A person has money worries and decides to invest in the computer industry. They want to know how the value will change over time. They used an exponetial regression model where the predictor is time in months and the response var 
math
You own two restaurants. From 1995 to 2000, the sales R1 (in thousands of dollars) for one restaurant can be modeled by: R1 = 480 – 8t – 0.8t2, t = 0, 1, 2, 3, 4, 5, where t = 0 represents 1995. During the same 6year period,