Suppose a = {x |x ≤ −2, x ≥ 3} and b = {x | −1 ≤ x < 5}. which statement is true?
a. a ∪...
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Mathematics, 22.09.2019 12:30 Dweath50
Suppose a = {x |x ≤ −2, x ≥ 3} and b = {x | −1 ≤ x < 5}. which statement is true?
a. a ∪ b is all real numbers
b. a ∩ b = ∅
c. a' = {x | −2 ≤ x ≤ 3}
d. b ⊆ {x | x ≤ 5}
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