1 . 选修4-5:不等式选讲
已知函数
.
(1)当
时,解不等式
;
(2)若
对任意
恒成立,求
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e798df6af7589772f6f40649a055d7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c67ddd60c47e91783929c8bdf8ba8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf3258bef39653daa07ca0d2789da4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-07-08更新
|
142次组卷
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2卷引用:【全国市级联考】重庆市云阳县等2017-2018学年高二下学期期末考试数学(理)试题
2 . 选修4-5:不等式选讲
已知函数
,
.
(1)当
时,解不等式
;
(2)若
对任意
恒成立,求
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f4c3ab0413bd3fe0180952aeeedd68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3699e2ffd72da5e92067490fa8856aa.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21db0e427984e9bf90ec5f491070da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次