1 . 已知函数
.
(1)若
,求实数
的取值范围;
(2)设
的极大值为
,极小值为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ae9c590045b246110a80573c361ff3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8a0f86edc5e8136f988bbebb4c5334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57584805a70c17d752bbd0def995accc.png)
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2019-04-29更新
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5卷引用:【市级联考】山西省晋城市2019届高三第二次模拟考试数学(文)(B卷)试题
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2 . 已知函数
的图象上存在点
,函数
的图象上存在点
,且点
、
关于原点对称,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92fd283ba4c4d446c1e91f25c24680e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179d9e48707baa6b6a4540e501e30798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-12-31更新
|
653次组卷
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9卷引用:2017届山西省高三3月高考考前适应性测试(一模)数学(文)试卷