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Mathematics, 10.07.2019 11:40 amyeileen

1- which is the intersection of the sets {2, 3, 5, 7} and {2, 5, 11, 13}? 1. null set 2. {2, 3, 5, 7, 11, 13} 3. {2, 5} 4. {3, 7, 11, 13} 2 - which is the set of odd numbers between three and five? 1. {4} 2. {3, 4, 5} 3. all real numbers. 4. null set. 3 - what is the intersection of the sets c = {5, 7, 10, 13, 19} and d = {3, 9, 14, 15}? 1. {3, 19} 2. {5, 7, 9, 10, 13, 14, 15, 19} 3. {5, 9, 14} 4. null set 4 - find the intersection of the three sets: a = {-2, 7, 8, 9}, b = {-2, 5, 9,}, c = {-2, 5, 9} 1. {-2, 5, 8, 9} 2. {-2, 5, 7, 8, 9} 3. {-2, 9} 4. null set 5 - which is the union of the two sets d = {0, 10, 12, 18, 19} and e = [18,19}? 1. {0, 19} 2. {18, 19} 3. {0, 10, 12, 18, 19} 4. null set 6 - which value for x makes the open sentence true? 8 ⋅ x + 1 + = 3 ⋅ x² - 2 1. 5 2. 4 3. 3 4. 2 7. which value of x makes the open sentence true? 26 - x ² > 4x - 20 1. 8 2.7 3. 6 4. 5 8. which symbol creates a true sentence when x equals 3? 5 ² + (x - 2)² - 25 1. = 2. > 3. <

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