2023·四川凉山·一模
名校
解题方法
1 . 已知函数
.
(1)求不等式
的解集;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8507f8553cb75f3e49eb785cf353f21.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5e587ca42942c63cf7ba196a355a81.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5562b57fbbdd6338eb46ccbd4bb81458.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若函数
的图象上至少存在一点落在x轴上方,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6a0b7fe093be25c2f5b5b08b84274d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2aeda5c6f101566159dd4c460b943b2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
3 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f1140516d33701c9dd41b38734c4d6.png)
(1)若
的解集为
,求
的值;
(2)若
,关于
的不等式
有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a03b021f67b69ecae7bf936441949fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f1140516d33701c9dd41b38734c4d6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a6405f413f934ab9bc67127430a8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2ec965488c7e1cea085463c7731285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7250563becf455fb4f86071607219fb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-05-08更新
|
214次组卷
|
3卷引用:四川省凉山州2022届高三第三次诊断性检测数学(理科)试题
四川省凉山州2022届高三第三次诊断性检测数学(理科)试题四川省凉山州2022届高三第三次诊断考试数学(理科)试题(已下线)押全国卷(理科)第23题 不等式选讲-备战2022年高考数学(理)临考题号押题(全国卷)
名校
4 . 已知函数
.
(1)解不等式
的解集;
(2)已知
对任意
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032f83ed1f925e73165d04abac9a5f9f.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a8a9f4f0d6590de86becb733bd1b6b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2df8261b17a5b1be5aa125e73cfed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
您最近一年使用:0次
2022-03-19更新
|
466次组卷
|
4卷引用:四川省凉山州2022届高三第二次诊断性检测数学(理科)试题
解题方法
5 . 已知函数
,
.
(1)当
时,求不等式
的解集;
(2)若
时,函数
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d54d7da352dfc78f5f37f536faf023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad9fab6d1825a1408fb6cdd0c87df9f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19060c44834d732606a685b0816f0ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af791534e3492dd6ace806ef852131a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)设不等式
的解集为M,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda0d32c2d821c5f9d967f0c9470bc68.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad9e77ff370af61ab7c4e05a46f69e1.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c0e4c7a00dc08c1c78158d74a8aa19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49270ab8d4d2b99a7345de818672a724.png)
您最近一年使用:0次
2020-06-26更新
|
328次组卷
|
5卷引用:四川省凉山州2020届高三第三次诊断性检测数学(文科)试题
四川省凉山州2020届高三第三次诊断性检测数学(文科)试题四川省凉山州2020届高三第三次诊断性检测数学(理科)试题(已下线)专题23 不等式选讲-2020年高考数学(理)母题题源解密(全国Ⅱ专版)四川省棠湖中学2019-2020学年高二下学期期末模拟考试数学(理)试题四川省棠湖中学2019-2020学年高二下学期期末模拟考试数学(文)试题
7 . 设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dc7120df18b5ac2f96e5951f86c0a0.png)
(1)当
时,求不等式
的解集;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dc7120df18b5ac2f96e5951f86c0a0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598e3c585fab75a4f0ee967b93b65493.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db2f80e8b268cbcb617e2f023daa133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
8 . 设
.
(1)当
时,求不等式
的解集;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80939c7e20fad1c2c01262bceb0020b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5967cc62862986840af4dd29df4bcc41.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)求不等式
的解集
;
(2)若
,函数
的图象恒在
轴上方,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b9c486dbc7f20883f8a89c58ff7e4b.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f662313467f69a34508eb465f849cbce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-24更新
|
107次组卷
|
2卷引用:2019届四川省凉山州高三第三次诊断性检测数学(理)试题
10 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58642282f2cf8b1facd2d493a03d08a8.png)
(1)若
,求不等式
的解集;
(2)若
对任意
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58642282f2cf8b1facd2d493a03d08a8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b3d01dae2ca8e13918a2e71ee43ab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4942590043e4fdad5cdb32ac12c71168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-01-08更新
|
168次组卷
|
2卷引用:四川省凉山州2019-2020学年高三第一次诊断性检测数学理科试题