Write a compound inequality that represents the situation. all real numbers at least –6 and at most 3
A–6 ≥ x ≥ 3
B–6 < x ≤ 3
C–6 ≤ x ≤ 3
D–6 < x < 3
A–6 ≥ x ≥ 3
B–6 < x ≤ 3
C–6 ≤ x ≤ 3
D–6 < x < 3