Additional Activity Q1W1. Multiple Choice. Choose the letter of the correct answer ________1. It is a new set of all the elements of a sets? a. Null set b. union set c. intersection d. None of the Above _______2. This ∩ means ___ of set. a. Null set b. union set c. intersection d. None of the Above A = {1,2,3,4}, B = {3,4,5} and C = {4, 6, 8} ________3. What is its union set? a.{1, 2, 3, 4, 5, 6, 8} b. {1, 2, 3, 4, 5} c. {3, 4, 5, 6, 8} d. {4, 6, 8} _______4. What is the intersection of the sets? a. {3, 4} b. {3, 4, 6} c. {4 } d. {1, 2, 3} _______5. If A = {5, 6, 7} and B = {6, 8, 10, 12}; then A ∪ B = {5, 6, 7, 8, 10, 12}. a. True b. false c. maybe d. none of the above If A = {2, 3, 4, 5}, B ={c, d, e, f} and C = {4, 5, 6, 7}; Find: (i) A ∪ B (ii) A ∪ C (iii) (A ∪ B ) ∩ (A ∪ C) (iv) A ∪ (B ∩ C) (v) Is (A ∪ B ) ∩ (A ∪ C) = A ∪ (B ∩ C)?​