名校
解题方法
1 . 已知函数
(其中
为自然对数的底数),若方程
有三个根
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5004e357cbbe8d734086796276cc86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcee20976de0e0e8c1ccd7a951674691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0ccef9f8453e91750d9700897cad78.png)
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名校
解题方法
2 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba3030e5fd803dce75c9dc0df6e9a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f115411a61585956f9dbffe0a8264058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933347fd4d93628c8a9cb6a540560471.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-29更新
|
351次组卷
|
2卷引用:海南省琼海市嘉积中学2023-2024学年高一下学期高中教学第二次大课堂练习数学试题
名校
解题方法
3 . 已知函数
,
.
(1)当
时,用单调性定义证明:
在区间
上单调递减;
(2)若
在区间
内有2个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df13cd39eaaaa19cf43244f62139d1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33baa45471d4f0be525f9ba73fd6775.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
4 . 已知函数
是定义在
上的奇函数,且当
时,
.
(1)求函数
的解析式;
(2)若
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8b6e6e85b5c3b48f1de26d527e38b96.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3cfe0d30dca23488bf069b3edfd280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
5 . 指数函数模型在生活生产中应用广泛,如在疾病控制与统计、物理学、生物学、人口预测等问题上都可以应用其进行解决.研究发现,某传染病传播累计感染人数
随时间
(单位:天)的变化规律近似有如下的函数关系:
,其中
为常数,
为初始感染人数.若前3天感染人数累计增加了
,则感染人数累计增加
需要的时间大约为( )(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a96e95794da54dee50df12f0da1570c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18092f868ac7b7b1a50ae42fd4787aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84abbfb85a00f48b5db11eeb76b8d134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4781898416f29fc5127ac4cc44e08290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1213c2a26a77edc9d0615b9988474c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1525c56bbb8644c202d454a70c30db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51e1b38325d10bb7685a9b162ad8161.png)
A.10.5天 | B.9天 | C.8天 | D.6天 |
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6 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070c85abc0c7a798f5100c04a7adc35d.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070c85abc0c7a798f5100c04a7adc35d.png)
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7 . 对于函数
,若存在非零常数
,使得
,都有
,则称
为广周期函数,广周期为
.已知函数
满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f416151d5478f67f57ad0e126a13656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/154139e6ab6f38c923d112758603846b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66dda90f1adc98af7394261a6f82143e.png)
A.若![]() ![]() |
B.![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
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名校
解题方法
8 . 函数
的零点所在区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed9de9db40a388ab4212a446d5d8d029.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-13更新
|
344次组卷
|
2卷引用:海南省2023-2024学年高一下学期阶段性教学检测(三)(4月)数学试题
名校
9 . 已知集合
,其中
且
,若对任意的
,都有
,则称集合A具有性质
.
(1)集合
具有性质
,则
的最小值__________ ;
(2)已知A具有性质
,若
,则
的最大正整数为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892dee02e1d092169603dd5d14f54339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d290a4927c50661098e2fbea58d77b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b80b8f7dbceb91cbc1c2845cf355714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d41b6356cad22d0cba60be8f9984b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd24a572b923f59906ebc90d3aa311cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e86a882ef57f44f0ad22836079afe1.png)
(1)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7372d99239161e3b340207bd0949ea0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32efe4eff75508cb93e828c735dcb695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知A具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353433462b58fe2eba495f2589b81380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7484924caa71b21fe45e373385f30a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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10 . 已知集合
,其中
都是
的子集且互不相同,记
的元素个数,
的元素个数
.
(1)若
,直接写出所有满足条件的集合
;
(2)若
,且对任意
,都有
,求
的最大值;
(3)若
且对任意
,都有
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13757649d1059dabada7fbafde58e6f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96fa7b00ef7b8cf8e5a42aeb29f5154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf783a679243d115e602912050e47ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/775adbe6736b3ec038d45a4f209ac290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f71a52871eb36b27836d6b9d72029ac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144e563700d35bb31aa51bab681f3118.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45cf86650443d1b86c79b1e3edc7e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebd42fc2af57877e06f485b50ae4d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19eee6183061532e744ef9086ffcb8b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a245761c2403d38b654894e0c78cec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebd42fc2af57877e06f485b50ae4d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27d4e5e05097560b51f888f8b234bc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-03-23更新
|
870次组卷
|
4卷引用:海南省海南中学2024届高三下学期第九次半月考数学试题