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Author Question: S(x) = -x3+ 6x2+ 288x + 4000, 4 x 20 is an approximation to the number of salmon swimming upstream ... (Read 97 times)

neverstopbelieb

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Question 1

P(x) = -x3 + x2 - 60x + 100, x ≥ 5 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of tires that must be sold to maximize profit.
◦ 500,000
◦ 500,000
◦ 550,000
◦ 450,000

Question 2

S(x) = -x3 + 6x2 + 288x + 4000, 4 ≤ x ≤ 20 is an approximation to the number of salmon swimming upstream to spawn, where x represents the water temperature in degrees Celsius. Find the temperature that produces the maximum number of salmon. Round to the nearest tenth, if necessary.
◦ 8°C
◦ 4°C
◦ 20°C
◦ 12°C


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Marked as best answer by neverstopbelieb on Jun 16, 2021

brittanywood

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neverstopbelieb

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Reply 2 on: Jun 16, 2021
YES! Correct, THANKS for helping me on my review


scikid

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Reply 3 on: Yesterday
Excellent

 

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