Let the universe be integers in the range [90, 100]. i.e.,
U = x ∈ Z | 90 ≤ x ≤ 100.
Let
S = x ∈ u | ∃ k (k ∈ Z ∧ x = 4k + 1)
and
T = x ∈ u | x < 95.
What is the complement of (T ∪ S)?
a. 93
b. {93,97)
c. {90,91,92,94}
d. {97}
e. {95,96,98,99,100}