Interval Notation
Interval Notation
Interval Notation
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Half-open, half-closed intervals: a combination of parentheses and bracketsa < x ≤ b ⇒ (a, b] a ≤ x < b ⇒ [a, b)◦ ◦a b a bEx:2 ≤ x < 7 ⇒ <strong>Interval</strong> notation: [2, 7) O2 72 < x ≤ 7 ⇒ <strong>Interval</strong> notation: (2, 7] O 2 7