University:
Davenport University
Course:
MATH 030 | Elementary Algebra
Academic year:

2019
Views:

41

Pages:

2
Author:

Apolenajz

Name: Answer Key Practice: Interval Notation Put in interval notation AND draw a graph of each inequality. x ≥ 4 [4, ∞) x < 6 (-∞, 6) x ≤ -2 (-∞, -2] x > 8 (8, ∞) x < -10 (-∞, -10) Write each interval as an inequality, and draw a graph for each. (-∞, -8] x ≤ -8 [5, ∞) x ≥ 5 (-2, ∞) x > -2 [-10, ∞) x ≥ -10 (-∞, 6) x < 6 For each number line, write the given set of numbers in interval notation. 1. [-3, 3] 2. (-∞, -5) U (-5, ∞) 3. (-∞, -3) U (0, ∞) 4. (-∞, -4) U (4, ∞) 5. (-∞, ∞) 6. (-∞, 2) U (2, ∞) Name the domain and range of each relation using interval notation. 1. D: (-∞, ∞) R: (-∞, ∞) 2. D: [-3, 3] R: [-2, 2] 3. D: [-3, 5] R: [-6, 6] 4. D: (-4, 4) R: (-2, 7) 5. D: [-1, 4] R: [-3, 5] 6. D: (-∞, ∞) R: [-6, ∞)

Interval Notation Worksheet Answers

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