(ii) An efficiency study of the morning shift at a certain factory indicates that an average worker arriving on the job at 7:00 A. M. will have assembled f (x) = x' + 6x? + 15x units x hours later. Approximately how many units will the worker assemble between 8: 00 and 8: 15 A. M.? Q2. (x2 – 3x (1) Discuss the continuity of the function f(x) = (2x + 4 if x < 2 if x2 2 on the open interval 0 < x< 2 and on the closed interval 0

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