Question: SIX ) = - x3 /6 x2 / 288 X +4000, 42 X4 20 IS an approvimation to the number of salmon swimming upstream to

SIX ) = - x3 /6 x2 / 288 X +4000, 42 X4 20 IS an approvimation to the number of salmon swimming upstream to spawn , where X represents the water In degree celsius . Find the temperature that produces the maximun number of salmon a ) 120 c b ) 20" C ( ) 80 C d ) 4 c

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