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1 . 已知
是定义域为R的奇函数.
(1)求a的值;
(2)判断
的单调性并证明你的结论;
(3)若
恒成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd492d001a460384ca5c5ad7211561f8.png)
(1)求a的值;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811947eeb9782379e2a70cc7b38e66f4.png)
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2023-01-16更新
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5卷引用:山东省临沂第一中学文峰校区2022-2023学年高一上学期期末考数学试题
解题方法
2 . 定义在R上的函数
满足
,当
时,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6016e74e98c5072983af42e403465e5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9186dc3f15560a1e10970193893e9f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e02a73468ea1b6f193a5a95d72ea67.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知函数
,若
,使得不等式
成立,则实数
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f604853c6d227224b936970b9543af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb1b8bd2b073d950b3500a72a894b0a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0379c4900002cd9f11e4eb3437aea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-01-14更新
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4卷引用:山东省临沂第一中学2023-2024学年高一上学期期末模拟数学试题
4 . 已知函数
(
且
).
(1)判断
奇偶性,并证明你的结论;
(2)当
时,判断证明
的单调性,并解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f990a72eaa11c194b32b571f7bc98bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8414e4e637f6cb77a8351e4720925a3.png)
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5 . 已知函数
,
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70dfd3b70aab0849a459a241d904aa73.png)
(1)求
值;
(2)判断函数
的奇偶性,并用定义给出证明;
(3)用定义证明
在区间
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3efdb4474748c4862b8098482a6ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70dfd3b70aab0849a459a241d904aa73.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
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2023-01-04更新
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3卷引用:山东省郯城第二中学2022-2023学年高一上学期期末考试数学试题
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6 . 有以下判断,其中是正确判断的有( )
A.![]() ![]() |
B.当![]() ![]() |
C.函数![]() |
D.若![]() ![]() |
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4卷引用:山东省平邑县第一中学2023-2024学年高一上学期阶段性质量检测数学试题
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7 . 定义在
上的奇函数
满足:任意
,都有
,设
,
,
,则
,
,
的大小关系为( )
![](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/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698cf53f76a1d637dfe2732d0a866eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aee01b0b4372a4a5f556c4bf1e978bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4c1040b116bf9437852457f1b0e438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4a75afad23cf9894ca1a542aae98df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-07更新
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4卷引用:山东省临沂市第十八中学2023-2024学年高一上学期期末模拟数学试题(二)
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解题方法
8 . 已知定义在
上函数
的图象是连续不断的,且满足以下条件:①
,
;②
,当
时,都有
;③
,则下列选项成立的是( ):
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf116ecbdb894c1d05d5b3b5203c10a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3881fa7fc347ccb2d46de69dc041907d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b6fbd08afa059e0fd6196f6a5b8c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a431537df789febf4bc45e3dc23cefaf.png)
A.![]() | B.函数![]() ![]() |
C.函数![]() ![]() | D.![]() ![]() |
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2023-01-03更新
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2卷引用:山东省临沂第一中学文峰校区2022-2023学年高一上学期期末考数学试题
解题方法
9 . 已知
的定义域是
,
既是奇函数又是减函数.若
,
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d165b3397aab477869842a16b7ff6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd039882414ced3cd59d7a4d5ec76f35.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-01-02更新
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4卷引用:山东省临沂市沂水县第四中学2023-2024学年高一上学期期末模拟数学试题(二)
山东省临沂市沂水县第四中学2023-2024学年高一上学期期末模拟数学试题(二)广东省深圳市龙华区2021-2022学年高一上学期期末数学试题(已下线)河南省实验中学2023-2024学年高三上学期第一次月考数学试题变式题6-10广东省深圳市新安中学(集团)燕川中学2023-2024学年高一上学期期末数学热身试卷
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10 . 已知定理:“若
,
为常数,
满足
,则函数
的图像关于点
中心对称”.设函数
,
.
(1)试判断
的图像是否关于点
成中心对称?说明理由;
(2)当
时,判断函数
的单调性,并求
的最大值与最小值;
(3)若对任意的
,总存在
,使
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eaea690d5cea2826bd40a697ceac6cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924237ea25896b737c0b98eb14214d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74f760aad21805d28fef51c95b0debf.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db76ffad3f5dc12daf1c82a1a1a3a85.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f73ff5eea717ccc40a0f5eceac361509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94c113fd7763d768b5a543f60aec94a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983e07314433b8a027b766efeb2c9202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29f5020d133f458912dc3da22b8127d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-12-31更新
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3卷引用:山东省临沂市沂水县第一中学2022-2023学年高一上学期期末线上自主测试数学试题