名校
1 . 已知函数
.
(1)求函数
在
内的单调递减区间;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a39776e3c6fe91497cd05481caae24.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c7572463225bb3b65cb371f4496440.png)
您最近一年使用:0次
2022-04-01更新
|
373次组卷
|
2卷引用:四川省凉山彝族自治州西昌市2020-2021学年高二下学期期中数学(文)试题
名校
解题方法
2 . 已知函数
,
,
,令
.
(1)当
时,求函数
的单调区间及极值;
(2)若关于
的不等式
恒成立,求整数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b90c5d5a2ae54f6186ab53d39083fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa0b6d7f1f1157896b16bff2743a1b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71607511fdd4faa9e832345ceb2a817d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2531067066de05b735ce7cd541101e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-10-26更新
|
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3卷引用:四川省南充市白塔中学2020-2021学年高三下学期第九次诊断性测试数学(理)试题
3 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求函数
的单调区间,并判断函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0412d5e521e4844a00f376864e6bd9e6.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b13280d106fe9c3db2069984325b63.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2021-08-06更新
|
541次组卷
|
2卷引用:四川省成都市石室中学2021-2022学年高三上学期专家联测卷(一)数学(文)试题
名校
解题方法
4 . 已知函数
,其中
为实数.
(1)若曲线
在点
处的切线方程为
,试求函数
的单调区间;
(2)当
,
,
,且
时,若恒有
,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dad715f96e30ef5b2aee72f6f70e696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150e8e4ca6aa729a72a6a17c36b8ebfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4799629218b4b62ffa4082b96888e3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5971eb73df8b9a8987f03621740098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ce9152d091197aefb949659c459a1a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解题方法
5 . 函数
的单调递增区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b312e8c5861af134ee7f5f4e7a51daf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-04更新
|
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|
2卷引用:四川省南充市2020-2021学年高二下学期期末数学文科试题
解题方法
6 . 已知函数
,则
的单调递增区间是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8bfb2f2434cfaabd717d3da93ecfc7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2021-08-14更新
|
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2卷引用:四川省成都市蓉城名校联盟2020-2021学年高二下学期期中联考文科数学试题
名校
7 . 设函数
.
(1)求
的单调区间;
(2)如果当
,且
1时,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce57deeefafc74dede49a04d8fad0b82.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)如果当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b60f90f062baf5cdcde252462a9382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d797d74baf0551d6aaf24d1dc819a099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2021-09-09更新
|
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5卷引用:四川省成都市树德中学2021-2022学年高三上学期10月阶段性测试数学(文)试题
名校
解题方法
8 . 已知函数
.
(1)当
时,判断
在
的单调性;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad68a0d444c474360f6c57c768609754.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4908e3b4e523c042732ccb7c215aac99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-12-02更新
|
749次组卷
|
4卷引用:四川省达州市大竹县大竹中学2020-2021学年高二下学期期中数学(文)试题
9 . 已知函数
.
(1)当
时,求
的单调区间:
(2)若
且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bcd57d8660e6eff8a17eae0544ab77.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc2c4a40fb423755ebaa57f608e1225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427ddc261e4aea13a25fa479749f4074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 已知函数
,
,其中
.
(1)当
时,求
的单调区间;
(2)若方程
在
(
为自然对数的底数)上存在唯一实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e807844fc928a20e9adb9d94242609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83eec0f17b61c003e92e08ab2402f330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9587df831df1af5e7dd6be5fdc7bd8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579e2c39e6c0a640357e3b0ccd6f954a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-11-03更新
|
726次组卷
|
6卷引用:四川省泸州市泸县第五中学2021届高三高考数学(文)一诊试题