Answer:

Step-by-step explanation: We are given the following two sets :
T= {-8, -4, 0, 4, 8, 12, 16, 20} and K= {-3, -2, -1, 0, 1, 2, 3, 4, 5, 6}.
We are to find T U K.
We know that
union of two sets A and B, denoted by A U B is a set that contains all he elements that are present in set A or B or both.
Therefore, the union of sets T and K is given by

Thus,
