名校
解题方法
1 . 已知函数
.
(1)求不等式
的解集;
(2)若函数
图象的最低点为
,正数
,
满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70ce0332fc847539f0cec06b4408a186.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab989f85a681b41c29465d4be74b789f.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2624d674d0bc3956ab2e31b5429756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b5304fca761749528fce17ce3d4dc9.png)
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2020-05-09更新
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360次组卷
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6卷引用:河北省秦皇岛市抚宁区第一中学2019-2020学年高二下学期4月线上考试数学(理)试题