Mathematics, 17.05.2021 06:20 angelapegues20097

Grade 11 Functions - Struggling to answer this question in full, please help me by providing an answer. The cost, c(x) in dollars in per hour of running a certain fishing boat is modeled by the function c(x)= 0.9x^2 - 18.1x + 135.1, where x is the speed in km/hour/ At what approximate speed should the boat travel to achieve minimum cost?

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