In h(-1.5), x = -1.5. Since -1.5 is in the interval: -2.5 < x ≤ -1.5, then h(-1.5) = -2
In h(-0.7), x = -0.7. Since -0.7 is in the interval: -1.5 < x ≤ -0.5, then h(-0.7) = -1
In h(0.5), x = 0.5. Since 0.5 is in the interval: 0.5 ≤ x < 1.5, then h(0.5) = 1