medium · GMAT Quant
A financial risk analyst models a regional stock index return x, expressed as a percentage. The risk threshold model mandates that x^2 - 4x - 12 < 0.
Which of the following inequalities represents all permissible percentage values for x?
- x < -2 or x > 6
- -6 < x < 2
- -2 < x < 6
- -2 ≤ x ≤ 6
- x > 6
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