Post on 09-Jul-2020
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FILA A
x < 0 »» x > 4
−1 < x ≤ 0 »» 2 ≤ x ≤ 4
x > 1
x < −2
x ≤ −2
False
FILA B
x < 0 »» x > 9
−2 < x ≤ 0 »» 3 ≤ x ≤ 4
x > −1
x < −3
x ≤ −3
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