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解题方法
1 . 设函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
时,解不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c1c8e731f2b80c90bb1f398da45e59.png)
(2)若
的解集为
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2799af73443cab5b745ffd68500a31fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c1c8e731f2b80c90bb1f398da45e59.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94330ebff7377639ce89419ba29eea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca250e67ff04933251268a41db2b2871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32043a653eba02c79ae6395b3bcb34f.png)
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2022-03-13更新
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3卷引用:陕西省渭南市韩城市2021-2022学年高二下学期期末文科数学试题
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