February 2019 2 89 Report
Himpunan pertidaksamaan dari x² + 2|x| - 15 ≥ 0 adalah .....
A. {x ∈ R | x ≤ -3 atau x ≥ 3}
B. {x ∈ R | -3 ≤ x ≤ 3}
C. {x ∈ R | x ≤ -3}
D. {x ∈ R | x ≥ 3}
E. {x ∈ R | x > 3}
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