The sales function is S(x)= 20 + 150x2 - 4x3
x represents thousands of dollars spent on advertising, 0< x<40, and S is in thousands of dollars. Find the point of diminishing returns (inflection point.) Determine the amount spent on advertising, and sales in dollars. (give both coordinates.)
Point of diminishing returns:
Amount spend on advertising:
Sales in dollars:
The sales function is S(x)= 20 + 150x2 - 4x3 x represents thousands of dollars spent...
Let R(x) represent revenue, in thousands of dollars, and x represent the amount spent on advertising, in thousands of dollars. Find the following for R(x) = -x +36x² + 1000, O SXS 17. (a) Find R''(x). (b) Find the point of diminishing returns. (a) R''(x) = Find the point of diminishing returns (x,y) for the function R(x), where R(x) represents revenue (in thousands of dollars) and x represents the amount spent on advertising in thousands of dollars). R(x) = 10,000...
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5. Given the function f(x)=x4 - 4x3 a) find f'(x) and the critical numbers of f. b) determine the interval(s) on which the graph off is increasing c) find f"(x) and the x-coordinates of the possible inflection points d) determine the interval(s) on which the graph off is concave down.
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please answer areas with red x. i have tried these value positive and negative and they are not correct. GreenLawns provides a lawn fertilizing and weed control service. The company is adding a special aeration treatment as a low-cost extra service option, which it hopes will help attract new customers. Management is planning to promote this new service in two media: radio and direct-mail advertising. A media budget of $4,000 is available for this promotional campaign. Based on past experience...
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