Writing the set {x : x is an integer and −3 ≤ x < 7} in roster form gives
A{−2, −1, 0, 1, 2, 3, 4, 5, 6}
B{−3, −2, −1, 0, 1, 2, 3, 4, 5, 6, 7, 8}
C{−3, −2, −1, 0, 1, 2, 3, 4, 5, 6}
D{−3, −2, −1, 0, 1, 2, 3, 4, 5, 6, 7}
Answer & Solution
Correct answer: C. {−3, −2, −1, 0, 1, 2, 3, 4, 5, 6}
The inequality includes −3 (≤) and excludes 7 (strict <), giving the integers −3, −2, −1, 0, 1, 2, 3, 4, 5, 6.
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