2015
Mathematics
67ca00ce0c643c71d77dee1f
Given that S and T are sets of real numbers such that S = {x : 0 ≤ x ≤ 5} and T = {x : − 2 < x < 3} Find S ∪ T
A.
−3 < x < ≤3
B.
−2< x < ≤5
C.
2< x < ≥ −5
D.
−1< x ≥ ≤2
Correct Answer: −2< x < ≤5
Explanation
S = {0, 1, 2, 3, 4, 5} T = {− 1, 0, 1, 2} S ∪ T = {− 1, 0, 1, 2, 3, 4, 5 } ⇒ − 2 < x ≤ 5
S = {0, 1, 2, 3, 4, 5} T = {− 1, 0, 1, 2} S ∪ T = {− 1, 0, 1, 2, 3, 4, 5 } ⇒ − 2 < x ≤ 5THIS WEEK's
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