1 . 设函数
(
且
).给出下列四个结论:
①当
时,方程
有唯一解;
②当
时,方程
有三个解;
③对任意实数a(
且
),
的值域为
;
④存在实数a,使得
在区间
上单调递增;
其中所有正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf1a29518ba7fb41a351ae69ce43c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c342d52fc26cc550a45b80756903bee6.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e436ea3ddcd13e69171135f0ff8e934a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c342d52fc26cc550a45b80756903bee6.png)
③对任意实数a(
![](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/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
④存在实数a,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
其中所有正确结论的序号是
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2 . 已知函数
,若方程
有四个不同的解
,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12afafefdf4e06da1ba0b7308d04a5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c342d52fc26cc550a45b80756903bee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a5592d4deff27066084f0e6331a9a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f2949d6f33b6adb33e4ca2e85c1a1d.png)
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解题方法
3 . 定义域为R的函数
满足
为偶函数,且当
时,
恒成立,
则
的大小关系为______ .(从大到小排列)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848988f68790e43dc63165b0d2e7abc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4531f8e96fc371f01546325a9f61a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ffc15195be196e8f2398382fd9f959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
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解题方法
4 . 定义在实数集
上的奇函数
满足
,且当
时,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
A.函数![]() | B.函数![]() ![]() |
C.函数![]() ![]() | D.方程![]() |
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|
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|
2卷引用:湖北省武汉市新洲区部分学校2023-2024学年高一上学期期末质量检测数学试卷
解题方法
5 . 已知函数
的定义域为
,若存在
,满足
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54839668b67db018b6669128219a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0408b9502dcc197dcf528337ef0b617b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90a9c4f1370f3c8bcbf0ef8a55d2bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9d4b3187917982df25569dc34154c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 若“
,使得
”为假命题,则m的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb2408c36b522a91bc736275b1a40996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e846eec806cbb3ddfdaab14de2e2d72.png)
A.14 | B.15 | C.16 | D.17 |
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7 . 已知函数
,若方程
有四个不同的解
,
,且
,则a的取值范围是_____________ ,
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7cf1f2c6f67e2cab17070879a97bd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4695051d4a3df4cadf89bbad603c31da.png)
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名校
解题方法
8 . 定义在
上的函数
满足
,且
关于
对称,当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20787747d1cf12c7f4028916d62cab98.png)
__________ .(注:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524e95abf6a50e19c040bedb7c2a9a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6214fbda454bf9579c5d0b8142598f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd243fab0af865af67a2ab817e909cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d85538db6f828db8f777c33478d664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20787747d1cf12c7f4028916d62cab98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70884a7621a61388c20811f83621522d.png)
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|
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名校
9 . 已知函数
,若函数
有四个零点,从小到大依次为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc698aa9338739c1392629ccc16d354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85560318867b5b8d43e32cb6764ade6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
A.![]() |
B.![]() |
C.![]() |
D.方程![]() |
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2024-02-12更新
|
629次组卷
|
4卷引用:湖北省武汉市华中师范大学第一附属中学2023-2024学年高一上学期1月期末检测数学试题
湖北省武汉市华中师范大学第一附属中学2023-2024学年高一上学期1月期末检测数学试题河北省石家庄市第二中学2023-2024学年高一下学期学情调研(一)数学试题(已下线)专题3 含绝对值的函数问题(过关集训)(压轴题大全)(已下线)专题6 函数的零点问题【讲】(压轴题大全)
10 . 存在实数
使得函数
有唯一零点,则实数
可以取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025d0a17feb7e0d5a141300d47b609c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.1 |
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