Answer:
A. The set is {-1, 0, 1, 2, 3, 4, 5, 6}
Explanation:
Note the following;
*When we use parentheses or open brackets, ( ), in an interval notation, it signifies that those points are excluded in the set.
*When we use closed or square brackets, [ ], in an interval notation, it signifies that those points are inclusive in the set.
*The union symbol (U) is used to join two intervals together.
Given the interval notation, (−2,4) ∪ [−1,6], since there -2 and 4 are in parentheses, it means that they are not included in the set while -1 and 6 are included in the set since they are in square brackets. So the members of the set can be represented in a graph as;
