Final answer:
The set_symmetric_difference function produces a sequence with elements from either of two sets but not both; for sequences 1, 2, 3, 4, 5, 6 and 2, 3, 4, 7, it results in 1, 5, 6.The correct answer is C) set_union.
Step-by-step explanation:
The correct answer is B) set_symmetric_difference. The set_symmetric_difference function would create a sequence from two sets, taking elements that appear in either set but not in both. If passed the sequences 1, 2, 3, 4, 5, 6 and 2, 3, 4, 7, the function will produce 1, 5, 6, 7. Since 7 is not asked for by the student, we can ignore it in this context, which leaves us with the sequence 1, 5, 6. This is because numbers 1 and 5 are in the first set and not the second, and 6 is in both sets but is included because it's the continuation of the sequence after 5. For further clarification, the function set_union (C) combines all elements from both sets without repetition, whereas set_intersection (A) gives the common elements between both sets. Lastly, the set_difference function (D) would provide elements that are only in the first set but not in the second.
The set_union function combines two sets and returns a new set that contains all distinct elements from both sets. In this case, the first argument is the sequence 1, 2, 3, 4, 5, 6 and the second argument is the sequence 2, 3, 4, 7. When set_union is applied, it would produce the sequence 1, 5, 6 as the result since the resulting set will include all distinct elements from both sequences.
For example, if you have two sets A = {1, 2, 3} and B = {2, 3, 4}, the set_union function applied to A and B would produce the set {1, 2, 3, 4}.