GRE Question of the Day (November 25th)

Math

If \({-2 < x \leq {5}}\), then which of the following MUST be true? A) \({-1 < x^2 < 16}\) B) \({4 < x^2 \leq {25}}\) C) \({0 \leq {x^2} \leq {16}}\) D) \({0 < x^2 \leq {25}}\) E) \({-4 \leq {x^2} < 36}\)   Correct Answer - E - (click and drag your mouse to see the answer) Question Discussion & Explanation