Understanding Set Unions

What is the union of set A = {1, 2, 3} and set B = {3, 4, 5}?

• {2, 5}

• {1, 2, 3, 4, 5}

• {3, 4}

• {1, 2, 3}

If set C = {a, b} and set D = {b, c}, what is C ∪ D?

• {a, c}

• {a, b, c}

• {a, b}

• {b, c}

Find the union of the sets {x, y, z} and {y, z, w}.

• {x, y, z, w}

• {x, y}

• {y, z}

• {x, w, z}

If E = {1, 2} and F = {2, 3, 4}, what is E ∪ F?

• {1, 2, 4}

• {1, 3, 4}

• {1, 2, 3, 4}

• {2, 3}

What does the union of two sets represent?

• The union of two sets includes only the common elements.

• The union of two sets is the difference between the two sets.

• The union of two sets represents all unique elements from both sets.

• The union of two sets represents the total number of elements in both sets.

If G = {apple, banana} and H = {banana, cherry}, what is G ∪ H?

• {'apple', 'banana', 'cherry'}

• {'apple', 'cherry'}

• {'banana', 'cherry', 'date'}

• {'apple', 'banana'}

Calculate the union of {10, 20, 30} and {30, 40, 50}.

• {10, 20, 30}

• {10, 20, 30, 40, 50}

• {20, 50, 60}

• {30, 40}

If I = {red, blue} and J = {green, blue}, what is I ∪ J?

• {red, blue, green}

• {red, green, blue}

• {blue}

• {red, green}

What is the result of the union of {1, 2, 3} and the empty set {}?

• {1, 2, 3, 4}

• {}

• {1, 2, 3}

• {1, 2, 3, {}}

If K = {x, y} and L = {y, z, x}, what is K ∪ L?

• {x, y, z}

• {x, y}

• {x, z}

• {y, z}