Question

Z = { x:x is an integer, x ≥ - 3 and x ≤ + 3}​

Answer 1

If this is asking for the set:

Z = {-3, -2, -1, 0, 1, 2, 3}

Explanation:

Z is the set of all integers and it appears that you are being asked for the values in the set Z that are within the range: -3 ≤x ≤ 3