Mathematics · Linear Inequalities
A solution of a linear inequality in variable x is represented on a number line where a dark shaded line extends from negative infinity up to an open circle at 72. Choose the correct interval representing this solution.
- 1x ∈ (72, ∞)
- 2x ∈ [72, ∞)
- 3x ∈ (–∞, 72]
- 4x ∈ (–∞, 72)✓
Correct answer
x ∈ (–∞, 72)
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