名校
1 . 已知函数
在区间
内的图象为连续不断的一条曲线,则“
”是“函数
在区问
内有零点”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340759edda395bb44f3f0cfbae258257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2021-09-01更新
|
526次组卷
|
5卷引用:上海市格致中学2022届高三上学期十月月考数学试题
上海市格致中学2022届高三上学期十月月考数学试题浙江省百校2021-2022学年高三上学期开学联考数学试题安徽省六安市毛坦厂中学2021-2022学年高三上学期9月月考理科数学试题安徽省滁州市定远县民族中学2021-2022学年高三9月教学质量检测数学(文)试题(已下线)第5章 函数的概念、性质及应用 单元测试卷-同步精品课堂(沪教版2020必修第一册)
2 . 已知数列
的首项为
,且满足
,则下列命题:①
是等差数列;②
是递增数列;③设函数
,则存在某个区间
,使得
在
上有唯一零点;则其中正确的命题序号为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27299c033156ea65106c0d4bafac1c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf3da897eb73b729f66bb0d700775c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4559687773d5c1ae8050fe870fbf96c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc64d7327301a81a8b80fa4a24331f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d94e5edc48a908e96404888ec8cc32b.png)
您最近一年使用:0次
2020-06-13更新
|
664次组卷
|
5卷引用:上海市大同中学2022届高三上学期期中数学试题
名校
解题方法
3 . 已知函数
的定义域为区间
,若对于
内任意
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5ea1b2590630b4468e9b73daca2f7a.png)
成立,则称函数
是区间
的“
函数”.
(1)判断函数
(
)是否是“
函数”?说明理由;
(2)已知
,求证:函数
(
)是“
函数”;
(3)设函数
是
,(
)上的“
函数”,
,且存在
使得
,试探讨函数
在区间
上零点个数,并用图象作出简要的说明(结果不需要证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a5572bfcdb0a4905bf670613266a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5ea1b2590630b4468e9b73daca2f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db8805cda07838d256165991623acca.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/0cb9ad1e34877b0db02d0219332b0f7b.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84518e68c9e73dee93a8a3cafce4d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fa87a940e5467f0f5d2fec0cd3ddd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64cf0a7460760a6993e26d4590058cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33aa094296dbf59fcd88588ad86d434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
您最近一年使用:0次
名校
4 . 已知函数f(x)
,给出下列判断:(1)函数
的值域为
;(2)
在定义域内有三个零点;(3)
图象是中心对称图象.其中正确的判断个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0aae52ad24c895eb31ad09e85e9600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.0个 | B.1个 | C.2个 | D.3个 |
您最近一年使用:0次
名校
解题方法
5 . 设
为函数
的零点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5375644591ff29be67294507ed6765b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8893e697de0f42fdf3532be1ee337f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5375644591ff29be67294507ed6765b5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-08更新
|
432次组卷
|
6卷引用:上海市向明中学2015-2016学年高一上学期期末数学试题
上海市向明中学2015-2016学年高一上学期期末数学试题上海市莘庄中学2019-2020学年高一上学期12月月考数学试题上海市延安中学2020-2021学年高一上学期期末数学试题上海市南洋中学2022届高三上学期开学考数学试题上海市青浦区2022-2023学年高一下学期开学质量检测数学试题(已下线)期末预测卷2-题型秒杀技巧及专项练习(人教A版2019必修第一册)
名校
解题方法
6 . 已知集合M是满足下列性质的函数
的全体;在定义域内存在实数t,使得
.
(1)判断
是否属于集合M,并说明理由;
(2)若
属于集合M,求实数a的取值范围;
(3)若
,求证:对任意实数b,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55aa87b1d7ab2a912313eaee2a244263.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfc8affebde04424fd3e677e38a4dde.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318c6b3a5610bffd1b2cc63e95c59190.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd337b3fc9e3e34afc15aef70414629a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96f3ea0467dc6393d7c4b602175a394.png)
您最近一年使用:0次
2019-12-04更新
|
388次组卷
|
5卷引用:上海市黄浦区2016-2017学年高三上学期期终调研测试数学试题
名校
7 . 已知函数
.
(1)判断函数
的奇偶性,并证明你的结论;
(2)若函数
在区间
内的图像是不间断的光滑曲线,求证:函数
在区间
内必有唯一的零点
,且
.(
的近似值为31.6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e352e4e101df8c2be6448db4eede1fef.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc8350b12974ffc8d06fce36d158f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e5079a4c438251c6368a3a18c92bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad4c18b2a359beb19bbfe94c934b1b5.png)
您最近一年使用:0次
名校
8 . 若函数
满足:在区间
内有且仅有一个实数
,使得
成立,则称函数
具有性质
.
(1)判断函数
是否具有性质
,并说明理由;
(2)若函数
具有性质
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e91676c7adfd65a76f56a0c1d4bbe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d6cd6c41f47a05d68ba4c933dd1761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0831d8198614a2e1aee118f2866bbbd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7d10813e2d04bc7ffd841c980cd69d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9 . 已知函数
,函数
是函数
的反函数.
(1)求函数
的解析式,并写出定义域
;
(2)设
,若函数
在区间
内的图象是不间断的光滑曲线,求证:函数
在区间
内必有唯一的零点(假设为
),且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281f9aae7914fa58b46665ae402af43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8196a483c250f34de763a9d66a290f55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60440d5dde56b026d8568075463a988a.png)
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