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Name: ________________________ Class: ___________________ Date: __________ ID: A Interval and Set-Builder Notation Homework Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which interval notation represents the set of all numbers from 2 through 7, inclusive? a. (2,7] b. (2,7) c. [2,7) d. [2,7] ____ 2. The set {1,2,3,4} is equivalent to ÏÔ ¸Ô a. ÌÔ x | 1 < x < 4, where x is a whole number ˝Ô Ó ˛ ÏÔ ¸Ô b. ÔÌ x | 0 < x < 4, where x is a whole number Ô˝ Ó ˛ ÏÔ ¸Ô c. ÌÔ x | 0 < x ≤ 4, where x is a whole number ˝Ô Ó ˛ ÔÏ Ô¸ d. ÌÔ x | 1 < x ≤ 4, where x is a whole number ˝Ô Ó ˛ ____ 3. Which interval notation represents the set of all numbers greater than or equal to 5 and less than 12? a. [5,12) b. (5,12] c. (5,12) d. [5,12] ____ 4. Which interval notation represents the set of all real numbers greater than 2 and less than or equal to 20? a. (2,20) b. (2,20] c. [2,20) d. [2,20] ____ 5. Which notation describes {1,2,3}? a. {x | 1 ≤ x < 3, where x is an integer} b. {x | 0 < x ≤ 3, where x is an integer} c. {x | 1 < x < 3, where x is an integer} d. {x | 0 ≤ x ≤ 3, where x is an integer} 1 ID: A Interval and Set-Builder Notation Homework Answer Section MULTIPLE CHOICE 1. ANS: TOP: 2. ANS: TOP: 3. ANS: TOP: 4. ANS: TOP: 5. ANS: TOP: D Set Theory C Set Theory A Set Theory B Set Theory B Set Theory PTS: 2 REF: fall0704ia STA: A.A.29 PTS: 2 REF: 010917ia STA: A.A.29 PTS: 2 REF: 061021ia STA: A.A.29 PTS: 2 REF: 011119ia STA: A.A.29 PTS: 2 REF: 061128ia STA: A.A.29 1