名校
1 . 设
,
.
(1)求不等式
的解集;
(2)若对任意的
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558ac9df309900604eb83a0366f57dee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19e91f9187bc122ee93c353a539084a0.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bd4e1d14b4ecfc99d673c9649d3448.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d200a7afe1e011713e14886a6887e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f832b7874f342e686a2c37c75bffafad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-01-06更新
|
274次组卷
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4卷引用:湖南省郴州市2019-2020学年高三第一次教学质量监测(12月) 数学(文)试题
2 . 已知函数
.
(1)求不等式
的解集;
(2)若函数
的图像最低点为
,正数
满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45dbd0708ea15489badca03b1a815266.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a9f7884d2a1a1f304d8d468d8dd47c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53edfe92121ea9ad522485d924cb134a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f008cea432b68934066d32243ccf69bf.png)
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2019-04-02更新
|
620次组卷
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3卷引用:【市级联考】湖南省郴州市2019届高三第二次教学质量监测数学试题(理科)
名校
3 . 已知
(
是常数,
).
(1)当
时,求不等式
的解集;
(2)若函数
恰有两个不同的零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25751d09eff76265629af044d56e6f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2018-09-08更新
|
324次组卷
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4卷引用:湖南省郴州市二中2018届高三第六次月考理科数学试题
4 . 选修4-5:不等式选讲
已知函数
,
.
(Ⅰ)若关于
的不等式
有解,求实数
的取值范围;
(Ⅱ)若关于
的不等式
的解集为
,求
的值.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02bebe66976d1fb716f20a3e634dbb50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad5ae4442627c4a2c1b0405d511eddc.png)
(Ⅰ)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab42740d8f095b5f7825d14c4c312096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab42740d8f095b5f7825d14c4c312096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abdf8b8c8c08033bcade94b8bdcd7f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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2017-04-22更新
|
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2卷引用:2017届湖南省郴州市高三第四次质量检测数学(理)试卷