1 . 函数
.
(1)求函数
的单调区间;
(2)当
时,若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a14115fa8fc7a3e413a6cfc01d8408b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1540b6b10f07a867618a1eec02e2a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f78ae07b1452e4f9dd8ba93db61d17.png)
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解题方法
2 . 已知函数
.
(1)若
在
上单调递增,求
的取值范围;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f89f6abd0559eb5f73ea8def02c4ad3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbda14cde6775551f226484a18cdbaff.png)
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2023-10-30更新
|
452次组卷
|
6卷引用:贵州省六盘水市纽绅中学等校2024届高三上学期10月联考数学试题
名校
3 . 已知函数
.令
.
(1)讨论函数
的单调区间;
(2)若函数
的两个极值点为
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1441380e1efb777f88122b6c6ef98d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e163952c6e9bf7149963ff75b43962.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcafc95a0527841c29a58d4f7d85e232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd4e9d20a6bbd3fceabf2e7b3f11eec.png)
您最近一年使用:0次
名校
解题方法
4 . 已知对任意
,都有
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ea7ee45cf5e58b3a6a1b6d56e64e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-22更新
|
369次组卷
|
2卷引用:贵州省天柱民族中学2024届高三上学期第三次月考数学试题
解题方法
5 . 已知函数
.
(1)求证:
;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/742813d9ceeb55f6fb256f064ca89cb3.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5846fa96244cbf466b118d87b8c61fc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 已知函数
有两个零点
.
(1)求
的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/170bdf720feb49ab7a8e349fed2a8979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c4c8e39e01d7bc2dadc78c75fbdb7d.png)
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2023-10-01更新
|
309次组卷
|
2卷引用:贵州省部分中学2024届高三上学期第四次月考数学试题
名校
解题方法
7 . 已知函数
,
.
(1)求函数
的极小值;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331c29cbc908d8aa91d85809437d9f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9489607c09fa9b0e8ea1a00beb9bf3d4.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92acace17d43431c5d414cdc3b624fe2.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec25b9d7ca47b780a744c2ebbf31d925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
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2023-09-29更新
|
397次组卷
|
2卷引用:贵州省2024届高三适应性联考(一)数学试题
名校
8 . 已知函数
.
(1)讨论
的单调性.
(2)若有两个不相等的实数
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc1b193aa193153eb402df8560778e6.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若有两个不相等的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba934874cc9f2ab272fdff67ea23bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2769ff2378bec4f25ca04fdee23d257b.png)
您最近一年使用:0次
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c45d730f7de4d2534217e165831454.png)
(1)求
的极值;
(2)当
,
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c45d730f7de4d2534217e165831454.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eef6a9bc8be0f6d89596d91f8c2b3dd8.png)
您最近一年使用:0次
名校
10 . 已知函数
在
处的切线方程为
.
(1)求实数
的值;
(2)证明:函数
有两个零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9581830ac716ed966a549e89e0cc7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1a686b80b8f109a929f58c2de7201d.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ada28d365e8363aae387a32bf9ac70e.png)
您最近一年使用:0次