名校
解题方法
1 . 已知函数
,且
.
(1)求
的值,并证明:
在区间
上单调递减;
(2)若
对
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319ec94edfff2dc57f83635e6b8d8913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6266a5b47e313651b98ca48c91a754fc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c62273885d6ef20061be80cd13882c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce2837a8732f5038a0245b69306d20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
.
(1)求函数
的表达式;
(2)判断并证明函数
的单调性;
(3)若
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b6212727254a1b3416a1467312cb2f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce728ad36353c7b36af5d78ea6ab0b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-12-03更新
|
629次组卷
|
2卷引用:重庆市北碚区西南大学附中2023-2024学年高一上学期11月阶段检测数学试题
3 . 已知函数
对任意实数
,恒有
,且当
时,
,又
.
(1)判断函数
的奇偶性,并加以证明;
(2)求函数
在
上的最大值;
(3)若不等式
在
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b870f90b3e6cdac664e2743c71e7e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91288f3376f00e3e4e37376c14f5c81d.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e99bebf8db0d314aacb2cb1f09bf48c.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8c8ab9f1c30377a05ba1b3852d83b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.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
4 . 已知函数
满足
,且
.
(1)求
,判断函数
的奇偶性,并证明你的结论;
(2)若对任意
,都有
成立,且当
时,不等式
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060abdc80cc5e5d8e2ebb76d6e87f84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289688ca788f9edb554836fd083313f2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2853174cf50c71d58b7d57d7048088.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11a069688e4c797fcf527eab15afa82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd4b64bbb30b609eb2b92703a539e72e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de916eb7ce4815650f24d74ea319b391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564632a83a6b49a61896f13d7e685039.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
,
(1)试判断函数
的单调性(无需证明),若
在
上的最小值为
,求
的值;
(2)证明:函数
有且仅有一个零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e8ff16519737608d6472e386c7e725.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f88173ef0c29bedd0155b7893d2474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a86a862049692de6983296484e04289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1614757b8cdb52de43bb13091ec22b0.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
,定义域为
.
(1)写出函数
的奇偶性(无需证明),判断并用定义法证明函数
在
上的单调性;
(2)若
,都有
恒成立,求实数
的取值范围;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d5adeebe138f4d90677afd1ad7ce61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662046df9f87264672dafd60d92e057b.png)
(1)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb61c076c156542dd4105842eefbf382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e442f10e63ad0dd3144ea73d3fa6dcf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc0fa1210c98789833af075795fca365.png)
您最近一年使用:0次
2023-11-09更新
|
282次组卷
|
2卷引用:湖北省鄂西北六校(宜城市第一中学等)2023-2024学年高一上学期期中联考数学试题
名校
解题方法
7 . 已知
.
(1)求函数
的表达式;
(2)用函数单调性定义证明
的单调性;
(3)若
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b6212727254a1b3416a1467312cb2f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)用函数单调性定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ecd09303d8a17c6cd976199ae225685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0071abcda7bd30cf7d01954d2556ac2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-09-25更新
|
336次组卷
|
2卷引用:重庆市西南大学附属中学校2023-2024学年高一上学期定时检测(二)数学试题
名校
解题方法
8 . 已知函数
,
.若
恒成立.
(1)求证:
;
(2)若
,且
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac18d45cf62862e456a5757bd81f6cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cc01dd0de04563061deb6c90fdce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50ac258ef199b8d5bea76b095301ba3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd8a6b2d2d86f85623c9e0134db0fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2023高一上·上海·专题练习
9 . 已知函数
(
是常数).
(1)若
,求函数
的值域;
(2)若
为奇函数,求实数
的值,并证明
的图像始终在
的图像的下方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35cd4970a621865bdf187544180645f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302337058242c7b78e3eb4ac7210b7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23fb90e09994fdc6ab02ed6ba664f31f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23fb90e09994fdc6ab02ed6ba664f31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23fb90e09994fdc6ab02ed6ba664f31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed4418ddde55471781ed78c82619d321.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
.
(1)用定义证明
是
上的增函数.
(2)是否存在m,使得对任意的
恒成立?若存在,求出m的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b586d5da50edf2b5d624b1f3368570eb.png)
(1)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)是否存在m,使得对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce5e41c8ad37efd3b0f1d07423a7ea9c.png)
您最近一年使用:0次
2023-11-28更新
|
669次组卷
|
3卷引用:新疆伊犁州华·伊高中联盟校2023-2024学年高一上学期期中考试数学试题