1 . 已知函数
.
(1)讨论函数
在
上的单调性;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fdb851dc97c4ad46840967fb55d737f.png)
(1)讨论函数
![](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/af55ff2f6777792548ba5169e5b6186c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-08-30更新
|
423次组卷
|
3卷引用:1号卷·A10联盟2023届高三开学摸底考数学试题
2 . 已知函数
.
(1)讨论
的单调性;
(2)当
时,判断曲线
与曲线
交点的个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef96ff936eb415b1f8fe6b9166d8e89.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/838db6be13695677e2f99899293bc379.png)
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2022-08-29更新
|
398次组卷
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4卷引用:陕西省渭南市华州区咸林中学2022-2023学年高三上学期开学摸底考试理科数学试题
名校
解题方法
3 . 已知函数
.
(1)若函数
在
上单调递增,求实数
的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26a335e84277c46141f7f8b16347bac.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95167d339851668666c00819537737c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958d096a34835c49938e56fd16d53772.png)
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2022-08-07更新
|
779次组卷
|
2卷引用:湘豫名校联考2023届高三上学期8月入学摸底考试理科数学试题
名校
4 . 已知函数
.
(1)当
时,求函数
的单调区间;
(2)若对于任意的
,都存在
,使得
成立,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eaa76627f6f3f7623a78abc70e77d4d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a01cf2049366b2f0172302495f44c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17641d15644d5fb2c79fd1016b21520f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91115b5fbe700381cc43c19f1d28771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-08-07更新
|
1596次组卷
|
9卷引用:湘豫名校联考2023届高三上学期8月入学摸底考试文科数学试题
名校
5 . 已知函数
.
(1)当
时,求
的单调区间.
(2)存在
,使得
成立,求整数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f960cf7dfdd152aa2755424f4dfd6f25.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a96ed3718973226243b1ac74e1052c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-03-04更新
|
447次组卷
|
2卷引用:“四省八校”2022 届高三下学期开学考试理科数学试题
名校
6 . 已知函数
.
(1)求函数
的单调区间;
(2)当
时,函数
恒成立,求实数
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74da4b06c434c46d5a8958ad77f2592.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a842d3ce8c63d15698eebd19488845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-03-04更新
|
464次组卷
|
4卷引用:“四省八校”2022 届高三下学期开学考试文科数学试题
名校
7 . 已知函数
.
(1)若
,求证:函数
在R上单调递增;
(2)若关于x的不等式
恒成立,求实数m的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa1fd32903e63108a2ab9f715c6e18d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f507c53dadf28ec453f3fb2b57f10fc3.png)
您最近一年使用:0次
2022-03-01更新
|
574次组卷
|
3卷引用:1号卷·A10联盟2022届高三下学期开年考理科数学试卷
名校
8 . 已知函数
.
(1)当a=1时,求函数f(x)的极值;
(2)设函数f(x)的极值点为
,当a变化时,点
)构成曲线M.证明:任意过原点的直线y=kx,与曲线M均仅有一个公共点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9afee481a20052afa3209f19cfbd91f.png)
(1)当a=1时,求函数f(x)的极值;
(2)设函数f(x)的极值点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd9be96948814ad3793364edac9a8aa.png)
您最近一年使用:0次
2022高三·全国·专题练习
9 . 已知
,函数
.
(1)当
时,求曲线
在点
,
(1)
处的切线方程;
(2)求
的极值点个数;
(3)若存在
,使得
对任意
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a668818379d9f13959637dab3688ac.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e70e7743f3ac4c9c6a7cd6e416ef1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
解题方法
10 . 已知
,
.
(1)求函数
的单调区间;
(2)对一切
,
恒成立,求实数a的取值范围;
(3)证明:对一切
,都有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/464a313c64632e7740a1578812996761.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30481398cc3a68f974f09fb2187b58e1.png)
(3)证明:对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513ddc07d9b763ed7e1c8055154b8183.png)
您最近一年使用:0次