1 . 已知点
,
,
是函数
的图象和函数
的图象的连续三个交点,若
周长的最大值为
,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a2df4eacc58ed8629f381164f94df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e139317709c2107a25503607a4190d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388590e0f8d9dfeaf2b65f80648257d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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2021-08-04更新
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230次组卷
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2卷引用:广西北海市2020-2021学年高一下学期期末数学试题