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All real numbers at least 3 units from -2
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4 votes
All real numbers at least 3 units from -2

User Jmaculate
by
7.6k points

2 Answers

3 votes
Such numbers are divided into two sets.
The first set is (-infinity, -5]. All numbers in this set are 3 or more units from -2.
The second set is [1, infinity). Same reasoning.
Drawing a diagram might help you understand this problem better.
User Kotte
by
8.5k points
5 votes
yes the are real 3 -2
User Yaroslav Mytkalyk
by
8.2k points
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