题目

{x|y=lg(4x2-4)}∩{y|y=2x2-3}=___________________. 答案：{x|-3≤x＜-1或x＞1}解析：{x|4x2-4＞0}∩{y|y≥-3}={x|x＜-1或x＞1}∩{y|y≥-3}={x|-3≤x＜-1或x＞1}.

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