- {0, 1, 2, 3}
- {1, 2, 3}
- {0, 2, 3}
- {0, 1, 2}
{0, 2, 3} is the domain of the set R.
The domain of a set is simply the set itself.
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Good teaching is best reflected by a teacher’s ability to ____.
Ask questions is the best answer. Effective teaching involves active student engagement, and asking questions stimulates critical thinking, encourages participation, and helps the teacher assess student understanding. While lectures, homework, and technology can be valuable tools, they are not as directly indicative of a teacher’s ability to engage and inspire students.