alleryUsing {0, 1, 2, 3, 4}, solve 1 < 2x ≤ 8.
A{1, 2, 3, 4}
B{0, 1, 2, 3}
C{2, 3, 4}
D{1, 2, 3}
Answer & Solution
Correct answer: A. {1, 2, 3, 4}
Dividing by 2 gives 0.5 < x ≤ 4, selecting 1, 2, 3 and 4.
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