Find the truth set of each predicate. (If your answer is an interval, enter it using interval notation; otherwise enter it using set-roster notation.)
(a) Predicate: 6/d is an integer, domain: Z
(b) Predicate: 6/d is an integer, domain: z⁺
(c) Predicate: 1≤ x²≤ 4 , domain: R
(d)Predicate: 1≤ x²≤ 4 , domalin: Z
