17 A company is hiring persons to work in its plant. For the job the persons will perform, efficiency experts estimate that the average cost C of performing the task is a function of the number of...

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Extracted text: 17 A company is hiring persons to work in its plant. For the job the persons will perform, efficiency experts estimate that the average cost C of performing the task is a function of the number of persons hired x. Specifically, C=f(x)%3D0.003x2-0.216 ln x+5 (a) Determine the number of persons who should be hired to minimize the average cost. (b) What is the minimum average cost? 18 A company is hiring neople to Work in its plant For tho inh