What is the solution set of the quadratic inequality x2-5≤0 A. { x | - 5 ≤ x ≤ 5 } B. { x | - √ 5 ≤ x ≤ 5 } C. { x | - 5 ≤ x ≤ √ 5 } D. { x | - √ 5 ≤ x ≤ √ 5 }

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