Question

Diminishing Returns Jesaki Inc estimates that it will sell N(x) units of product after spending $x thousand on advertising, as given by N(x) = -0.42 x^4 + 49 x^3 - 1,092 x^2 + 155,705. What is the point of diminishing returns? Round to the nearest dollar. $

          Diminishing Returns
Jesaki Inc estimates that it will sell N(x) units of product after spending $x thousand
on advertising, as given by
N(x) = -0.42 x^4 + 49 x^3 - 1,092 x^2 + 155,705.
What is the point of diminishing returns? Round to the nearest dollar.
$

Diminishing Returns
Jesaki Inc estimates that it will sell N(x) units of product after spending x thousand
on advertising, as given by
N(x) = -0.42 x^4 + 49 x^3 - 1,092 x^2 + 155,705.
What is the point of diminishing returns? Round to the nearest dollar.

Added by Nieves M.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

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Urgent Help Needed Diminishing Returns Jesaki Inc estimates that it will sell N units of product after spending $ thousand on advertising, as given by N = -0.42 + 491.092 + 155.705 What is the point of diminishing returns? Round to the nearest dollar.