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1 . 已知函数
.
(1)
,求
值域;
(2)
,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f84ff05a46f131da561a4b0a33bd030.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e764470322c5e511d55f966b489c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad9cae747e368091debf66a6fdaa239.png)
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2019-09-29更新
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2卷引用:江苏省泰州中学2020届高三上学期开学考试数学(文)试题2