votava1234
votava1234
24-10-2017
Mathematics
contestada
All real numbers at least 3 units from -2
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dariusjwlatham
dariusjwlatham
24-10-2017
yes the are real 3 -2
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altavistard
altavistard
25-10-2017
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.
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