Jesaki Inc estimates that it will sell N(x) units of product after spending $x thousand on advertising, as given by N(x)=− 0.6x^4+ 49x^3− 1,088x^2+ 160,451. What is the point of diminishing returns? Round to the nearest dollar.
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6x^4 + 49x^3 - 1,088x^2 + 160,451 \), we need to follow these steps: Show more…
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