If the researcher does not interact in any substantial way with the group being observed, then it is known as Select one: O a. controlled observation O b. research observation O c. participant observation O d. naturalistic observation

Q: Answer d

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Q: The first complement of (10101010) is Select one: a. 10101011 b. 01010101 c. 01010110

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Q: 3. f(x + h) - f(x) h [Select] represents

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A: The solution is given below:

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