Respuesta :
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.
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.