30 points
which expression is equivalent to | a | ≤ 4 ?
1. a ≥ –4 and a ≤ 4
2. a...
Mathematics, 22.01.2020 22:31 econsta3
30 points
which expression is equivalent to | a | ≤ 4 ?
1. a ≥ –4 and a ≤ 4
2. a ≤ –4 or a ≥ 4
3. a ≤ –4 and a ≥ 4
4. a ≥ –4 or a ≤ 4
Answers: 1
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