名校
1 . 已知
,
,用
,
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43230460607e90dea58b59c56b961f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0159644d40356aadd57157e0a2160f12.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/123ec28e38607e24b5776503d84167ad.png)
您最近一年使用:0次
2021-01-14更新
|
193次组卷
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2卷引用:天津市第二南开学校2020-2021学年高一上学期第二次月考数学试题
名校
2 . 已知函数
的定义域为
,则函数
的定义域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82dee78784d1b1841d8ed52c47a8163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22587c4fcd78f4b64296e9a1116fccd.png)
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解题方法
3 . 设
,
,
,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69087fa1e97d69c076657d2b30755c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0395ccfece4b855dfdbf9d323278d70a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b371190dec216488008fb20ff6d6a.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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4 . 已知函数
=
(
)是偶函数.
(1)求
的值;
(2)若函数
的图象与
的图象没有交点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c86aca9ed649caed4fbd26c3413a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87490be8d0cdb7bc6c39d1a37f3bc335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2021-01-14更新
|
225次组卷
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3卷引用:天津市第二南开学校2020-2021学年高一上学期第二次月考数学试题
名校
解题方法
5 . 已知
,
,
,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc2e3955c42c86f30116b9c4cf4aee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bbfad8cd865a01d1db8de04e49716c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c35f9a4f8cf9e69ff259832f2939ec8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-01-12更新
|
1352次组卷
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7卷引用:天津市和平区2020-2021学年高一上学期期末数学试题
名校
6 . 化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def79c733cde1d7bfd18ea868a5a9dbb.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def79c733cde1d7bfd18ea868a5a9dbb.png)
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2021-01-12更新
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757次组卷
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3卷引用:天津市和平区2020-2021学年高一上学期期末数学试题
名校
7 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb05638f215d1279a4779fcf0a512da3.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb05638f215d1279a4779fcf0a512da3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9d6acb7c2c0a27fbee2cb8344a4dd1.png)
您最近一年使用:0次
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8 . 已知函数
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107f5f97110237a6cb4d76ac18370466.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf4202caf274c7ff976cd106f0205b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85f5cecbe64f4ed6f1e62016dce64fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107f5f97110237a6cb4d76ac18370466.png)
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9 . 若关于
的不等式
(
且
)在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d786523ba39b2b11bd854d2667ed33f3.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/ab188eadb73c25496e3cde4d728929fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 函数
的单调递减区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8321b572db7a0c549010e138c22445.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-01-02更新
|
850次组卷
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3卷引用:天津市第一中学2020-2021学年高三上学期第二次月考数学试题