已知函数
,
.
(1)当
时,解不等式
;
(2)若
在
时有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4efa3b4efaac5266ee31f1c97fcff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2b7eaf303dcd66e8901788a75145bb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-01-24 20:24:19
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适中
(0.65)
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解题方法
【推荐1】已知函数
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(1)当
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(1)当
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(2)若
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【推荐2】(1)求不等式|2x-1|> x+1的解集;
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【推荐1】已知函数
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【推荐2】设函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816e94e653d9c5f66bf4d828f5f50d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f6dab08a97bdbd508a249c58cbfb68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
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(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec80634a6e2b2c85f845fa368b3a5969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ba8542fbe02e78cf3948c9abea9855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29f5020d133f458912dc3da22b8127d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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