8) the cost, c, in dollars, of operating a concrete-cutting machine is modelled by
c = 2.2n?...
Mathematics, 30.11.2019 03:31 deandrehudson18
8) the cost, c, in dollars, of operating a concrete-cutting machine is modelled by
c = 2.2n? - 66n+ 655, where n is the number of minutes the machine is run. how long must the
machine run for the operating cost to be at a minimum? what is the minimum cost?
Answers: 1
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