Question: The function S(x) = -x - 3x +72x +900, x2 2, is an approximation to the number of salmon swimming upstream to spawn, where

The function S(x) = -x - 3x +72x +900, x2 2, is

The function S(x) = -x - 3x +72x +900, x2 2, 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. O A. 8C O B. 4C O C. 6C O D. 2C

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