Mathematics, 29.07.2020 17:01 MeTooFoodYum
The cost, cx), in dollars per hour of running a trolley at an amusement park ismodelled by the function c(x) = 2.1x2 - 12.7x + 167.4, where x is the speed in kilometres per hour. At what approximate speed should the trolley travel to achieve minimum cost?
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The cost, cx), in dollars per hour of running a trolley at an amusement park ismodelled by the funct...
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