名校
1 . 已知函数
.
(Ⅰ)解不等式
;
(Ⅱ)
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccb53e246cd4c5eae6816a6d5bb7361.png)
(Ⅰ)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74dbd58b21a94cf93f4623c07452b102.png)
(Ⅱ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee0f3862c8567634ba610ff9f2109b2.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
2 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe439702f8e07fede6099d6af08a298.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e57f4dd6bc176125364f743dc338783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49178e8c76c24baa109dc76527307ba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-05-14更新
|
62次组卷
|
6卷引用:2020届福建省厦门市高三毕业班第一次质量检测数学(理)模拟试题
2020届福建省厦门市高三毕业班第一次质量检测数学(理)模拟试题2020届福建省漳州市高三下学期(线上)适应性测试数学(理)试题2020届福建省漳州市高三下学期(线上)适应性测试数学(文科)试题(已下线)专题15 不等式选讲-2020年高三数学(理)3-4月模拟试题汇编(已下线)专题14 不等式选讲-2020年高三数学(文)3-4月模拟试题汇编江西省宁冈中学2022届高三上学期期中考试数学(理)试题
名校
3 . 已知函数
.
(1)当
时,解不等式
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f1bcf7ac45a798633b84ab5be4c9ed0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3061bb4c726f3a1734a0d1d084b58f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8e96a8c86d287ffa839c51a450d48a.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e0d8bdabeb382b2d9d522dfb80423d.png)
您最近一年使用:0次
名校
4 . 已知
,
.
(1)求
的最小值;
(2)若
的最小值为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d812643e080d4d447fab7fe2ae2646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec26a5768fd95f11a425b16293a2393e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a437a49b20d957b3db3c2bdbe13f02.png)
您最近一年使用:0次
2016-12-04更新
|
506次组卷
|
9卷引用:2016届福建厦门双十中学高三下热身考理科数学试卷
解题方法
5 . 已知
.
(Ⅰ)求证
;
(Ⅱ)当
,求解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2981166ac967bc4d0ff32abbf30d22c.png)
(Ⅰ)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d585bb8b1276cb81ada8c2975571eb.png)
您最近一年使用:0次
6 . 已知函数
.
(Ⅰ)当
时,解不等式
;
(Ⅱ)若不等式
的解集包含
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99914bf8043e0d2f3553d28ab28bbfb4.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f61db73a5a9bce4ece8259a4c7d29376.png)
(Ⅱ)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549423e665386b1314ee675933ee8c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-03-10更新
|
337次组卷
|
2卷引用:福建省龙岩市2018年高中毕业班教学质量检查理科数学试题
解题方法
7 . 选修4-5;不等式选讲
已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425cb38e7cefda8698d71973b559ce0c.png)
(1)求不等式
的解集
;
(2)对任意
,都有
成立,求实数
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425cb38e7cefda8698d71973b559ce0c.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a2ed1a647e71290c1c34e359c7cb53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e396ac92f3b89e7c8afe1799b24114e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf5a0265595c9fc2295e725d6704e50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-04更新
|
776次组卷
|
2卷引用:2016届福建省福州三中高三最后模拟理科数学试卷
8 . 选修4-5:不等式选讲
已知函数
.
(1)当
时,求不等式
的解集;
(2)若
,求
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c8e7532060117eec25a19220ce068a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03fc1cd2baabbf8afea25478e1258237.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e4c8aa48e10cea4faeb7b1af34f09c.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
9 . 已知函数
,
,
.
(1)当
时,求不等式
的解集;
(2)若正数
满足
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f762c96e3ac6d45248ff06ebd7a6e0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce418415eb2dccd395d284fe65599390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2165a0527b70bddc42334ddfded3f2a2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ddb49541616b3022e33294859413fe.png)
(2)若正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a933ef7b28d01a980efe7ebdf583b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405f9850b6cf8fc86ab1f3a443ae77e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2792502677ba0502d6a1df62c7769692.png)
您最近一年使用:0次
10 . 已知函数
.
(1)求不等式
的解集;
(2)若关于
的不等式
在
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d807fe2743428cad5bf506348ad7e9.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8dd7446f874d24f71c14c752b413214.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e805831fd276718504ef312295e19121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b029e85e686623cdef977b2cb1f207a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次