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Are the following equivalent? 1)x belongs to R-(-1,3) 2)x belongs to (- infinity to -1) union of [3,infinity) 3)x =3. can someone provide me detail explanation

Answer» Are the following equivalent?
1)x belongs to R-(-1,3)
2)x belongs to (- infinity to -1) union of [3,infinity)
3)x <= to -1 or x >=3.
can someone provide me detail explanation


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