名校
1 . 关于函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25145de4e581b044fb51e3901b0a11d1.png)
A.若过点![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若函数![]() ![]() ![]() |
您最近一年使用:0次
2022-07-26更新
|
630次组卷
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2卷引用:广东省佛山市南海区狮山石门高级中学2021-2022学年高二下学期第三次大测数学试题
2 . 已知函数
.
(1)用定义法证明
在
上单调递增;
(2)求不等式
的解集;
(3)若
,对
使不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e376c842a2c9d28900db4c9e3751c8b4.png)
(1)用定义法证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f818fd291d9238aba022086ebc5fc8.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f87015fc71bfb1c5d0bab42e19e08da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8baf62fb1df09295e1e1e0e32d50218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75903e4c69e44a0ca5b2f0505e02b8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-02-15更新
|
529次组卷
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4卷引用:广东省揭阳市揭东区2023-2024学年高二上学期期中数字试题
广东省揭阳市揭东区2023-2024学年高二上学期期中数字试题陕西省渭南市大荔县2022-2023学年高一上学期期末数学试题(人教A版)陕西省渭南市大荔县2022-2023学年高一上学期期末数学试题(北师大版)(已下线)专题11 对数及对数函数压轴题-【常考压轴题】
名校
解题方法
3 . 已知
是函数
的导函数.
(1)求不等式
的解集;
(2)如果对于任意的
,
总成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776fa6439168522f352d683994355658.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa4006b9d948646e8df80ed0e701e6.png)
(2)如果对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351a282cf4bde27e62660f9a694ef6df.png)
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2020-08-07更新
|
408次组卷
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2卷引用:广东省潮州市2019-2020学年高二下学期期末数学试题
名校
4 . 已知关于
的不等式
(其中
)的解集为
,若满足
(其中
为整数集),则使得集合
中元素个数最少时
取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae67cd55da8992032f9e909bb8323bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f066e6407d4a97aff3b177c54413f2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2077e5032491293f8181c4fc3bcf360a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-12-03更新
|
614次组卷
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6卷引用:广东省中山市2020-2021学年高二上学期期末数学试题
名校
5 . 设函数
.
(1)当
时,求关于
的不等式
的解集;
(2)若
在
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d66c74b5a01f582735a43d39eadc31.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f982d0461e7e940bdc5668099d08ab38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f51db7a0a371c1298d9ad53b4f765f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
11-12高二下·北京西城·期末
6 . 在数列
中,对于任意
,等式
成立,其中常数
.
(Ⅰ)求
的值;
(Ⅱ)求证:数列
为等比数列;
(Ⅲ)如果关于n的不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d5ae44dc1c623bc027461b18c83309.png)
的解集为
,求b和c的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d726666f99a5a41dd673a2330e377b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c6f4f7b8fd5403c707f4f6562c8312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc57a025dceb6eadd5e8f2dc3b2583f.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0158862238e250d2a2598b7d4ecd148.png)
(Ⅱ)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ccab72f42918a08de80f2ed6d8d89b.png)
(Ⅲ)如果关于n的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d5ae44dc1c623bc027461b18c83309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51476fb83dbc422f60c765a9d5f9afb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9d5ccff634977c6bd324f28e6da1a8.png)
您最近一年使用:0次
11-12高二下·广东惠州·阶段练习
解题方法
7 . 已知函数
,且
.
(1)若
在
处取得极小值
,求函数
的单调区间;
(2)令
,若
的解集为
,且满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d9b521e0122b9aeecd5fdcb1a7d6dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3503b5dba726f35cdea45142bc88fd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0e3df7ec76a64c3144acddf855077e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679353e656a54993c041ebd39ec7b31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74eb8a7738402df52d4a97262b85ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0e3df7ec76a64c3144acddf855077e.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9e922ee584a928acfcf19658ae519d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0149e9a0e4d5ac2c3e82a16f0ab06809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5849553d38ab59a74c94d3e9307d58c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95358717841874f91bca7f938da6592.png)
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