名校
解题方法
1 .
.
(1)若
,求
的解集;
(2)若
最小值为1,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e2bd4e525d6014ee6f44885712d0dcc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3927ef3c80c8e77debadd607010af46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-12-15更新
|
351次组卷
|
2卷引用:河北省NT20名校联合体2023-2024学年高一上学期12月月考数学试卷
名校
解题方法
2 . 已知
为幂函数.
(1)求
的解析式;
(2)用定义法证明:
在
上是减函数;
(3)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a41fda26795ab74d4bb6f814296c1ec.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)用定义法证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d883a6bd3f148f2045f22891a7893130.png)
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名校
解题方法
3 . 某类病毒的繁殖速度非常快,在某一次实验检测中,该病毒的数量y(单位:万个)与经过时间x(单位:天)的3组数据如下表所示.
若该病毒的数量y(单位:万个)与经过时间
天的关系有两个函数模型
与
可供选择.(参考数据
,
,
,
)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/8ca5a568-9872-4132-8cb3-277f37ca8f54.png?resizew=130)
(1)通过描点观测图象,判断哪个函数模型更合适,并求出该模型的解析式;
(2)求至少经过多少天该病毒的数量不少于十亿个.
x | 2 | 4 | 6 |
y | 10 | 50 | 250 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84dd0614940aaa6e35d9b122547124f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e36a69f0c551b67ce5eb92a46322a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2bce637c54faca9ef162ed983dec68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368763128d1ad0ffad5d859fef834d0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dad09268b7cb8bfcbea010cb6d2a29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf5114e1dbd4fc973e99293e1fdb3def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85fc7899c397d194ca97228c94be7ae1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/8ca5a568-9872-4132-8cb3-277f37ca8f54.png?resizew=130)
(1)通过描点观测图象,判断哪个函数模型更合适,并求出该模型的解析式;
(2)求至少经过多少天该病毒的数量不少于十亿个.
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名校
解题方法
4 . 已知函数
,
,
且
,若
,
,设
,
.
(1)求函数
的解析式并判断其奇偶性;
(2)判断函数
的单调性(不需证明),并求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ff35f3b50966a5e3cbb0b5977af7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c5b3654ada10d877eee25ac87672d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099b67d844ea6a4f53ce4fe26e48401f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4391584ac06b1e03da93aa47f45407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c204be088a8fc6c096eedd5b1e7dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835eec12ec99561a3655c296570d75be.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c6a7f3c9fafc9d4fd5bfe7191a3eaa3.png)
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5 . 已知函数
,m为实数.
(1)当
时,求
的值域;
(2)设
,若对任意的
,总存在
,使得成立
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b493f7a9a98f7deaf8e1f9a2b3a216d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad1450c6a15916e2cbdba4c40ab2eb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ad9ae0d505effa2fd81a62b569e78f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07444159fdea87a306d2ea12cd6f027c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ba17f85b7a7746fd6e6f5a276e453a.png)
您最近一年使用:0次
2023-12-13更新
|
780次组卷
|
4卷引用:河北省石家庄精英中学2023-2024学年高一上学期三调(12月)数学试题
河北省石家庄精英中学2023-2024学年高一上学期三调(12月)数学试题江西省上饶市广丰一中2023-2024学年高一上学期12月月考数学试题广东省深圳市深圳大学附属实验中学2023-2024学年高一上学期阶段考试数学试题(已下线)高一数学期末考试模拟试卷2-【巅峰课堂】热点题型归纳与培优练
名校
6 . 设
,且
,利用对数的换底公式证明:
(1)
;
(2)
;
(3)计算:若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8653a43cd2e66cc81d29b662b2606aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f38adafcef8ec066d4e2363bf11290.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e17444a36dc88474cedf3d1c1a2288a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4eebfbd681b6faa2f721ce6255e0be7.png)
(3)计算:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc41b53dcfc3634d8d88cc34b8084b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ce29af28a92637edd3259fe3a8f146.png)
您最近一年使用:0次
7 . 计算下列各式的值:
(1)
;
(2)已知
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420df99915e813c909676f0d3239bd0d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54bab7df56795d627327236074b2a667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e706e947b3e981e5a190633204258de.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
的定义域
,且对任意
,当
时,
恒成立,则称
为
上的
函数.
(1)若定义在
上的函数
为减函数,判断
是否为
上的
函数,并说明理由;
(2)若
为
上的
函数,且
,求不等式
的解集;
(3)若
为
上的
函数,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e132a45de8ed534195ffb18920b6db3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc1bc250c8a6523a1be394ff48d4a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee6ac9863b9f0be7bd5a49a4075468d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)若定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae55a418b4997978c4f0638c1b9f3a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3a80297256a8fa9e579a4fb7fbfa88.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0140f12a6b008fa7042ae682d85f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-12更新
|
191次组卷
|
3卷引用:河北省保定市部分高中2023-2024学年高一上学期12月期中考试数学试题
名校
解题方法
9 . 已知函数
.
(1)求
的值;
(2)求
的定义域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60f80442d6e55ded56b0568af08c3433.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ded63d5eb7b2b6277525412d85eb083.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2023-12-12更新
|
183次组卷
|
2卷引用:河北省保定市部分高中2023-2024学年高一上学期12月期中考试数学试题
名校
解题方法
10 . 已知函数
.
(1)求
的最小值;
(2)证明:当
时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68853b62cc7d11a022a08f6867cbea89.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e001a45ee95d6d65131f54fcba28a99a.png)
您最近一年使用:0次
2023-12-12更新
|
167次组卷
|
2卷引用:河北省保定市部分高中2023-2024学年高一上学期12月期中考试数学试题