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1 . 已知命题
:
(
,且
)是增函数;命题
:对任意的
,都有
成立,若命题
为真题,则实数
的取值范围是______ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
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2020-02-10更新
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323次组卷
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3卷引用:陕西省咸阳市高新一中2020-2021学年高一上学期第三次考试数学试题(A卷)