解题方法
1 . 设
,则关于
的不等式
有解的一个必要不充分条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b083e28b661f255b5bc8062f889b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() |
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解题方法
2 . 定义在R上的函数
满足
为偶函数,且
在
上单调递增,若
,不等式
恒成立,则实数
的取值范围为( )
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189b2da6c420bf8f8900002d14f65f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13711901fdf99736ac8e2959170ae9d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 已知函数
的定义域为
,对任意正实数
,
都有
,且当
时,
.
(1)求
的值;
(2)试判断
的单调性,并证明;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c4759fbfffda31cf6860d07c9df36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5e026a565c24617edc36f82fd85e63.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
(2)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfcdbcd1239b124ef516b49ffa182b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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7日内更新
|
612次组卷
|
2卷引用:福建省福州市闽江口协作体(七校)2023-2024学年高二下学期期中联考数学试题
名校
解题方法
4 . 已知函数
是定义域为
的奇函数,当
时,
.若
,则
的取值范围为_______ .
![](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/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e3dab33a3665fa93bbd55f1fac6a645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07100677918b2f8dffcef5c9be190036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
7日内更新
|
537次组卷
|
2卷引用:福建省福州市闽江口协作体(七校)2023-2024学年高二下学期期中联考数学试题
5 . 已知
且
是指数函数.
(1)求
;
(2)求关于
的不等式
的解集;
(3)求函数
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ee7efec75f57f0d63aa5a205e70414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de16c95fa18a4f64f626dcea543f97e.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4b026104086da528964fa6c9d56ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec46ebb0e0080f2d8d9d6b4427de9823.png)
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解题方法
6 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eab3f5d6aa528be872297e170d8398c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84124b78cbb40fc4f92dcb120d3332d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
7 . 已知函数
的定义域为R,
,则
的解集为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4740c59727c3e0b8dd635fb65842485b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f0ee71845217650221484a598ef2f2.png)
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解题方法
8 . 在某种药物实验中,规定
血液中药物含量低于
为“药物失效”.现测得实验动物血液中药物含量为
,若血液中药物含量会以每小时
的速度减少,那么可能经过( )个小时会“药物失效”.(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8b33d9c08d3d4b562eeaffbed58814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ff99b9be724d1eee70d55e15f63f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498221f1c12c027924fc72b1b815bc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ee628efd6b2f7296c106dd5cbae42f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfb5a9ba77ae3ff13997225d5ba02f8.png)
A.5 | B.6 | C.7 | D.8 |
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解题方法
9 . 已知
,
,下列条件中,能使不等式
成立的充分条件有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b002af97ece1d73070e76e798fa42b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 已知函数
,若
,则
的值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe819909452c1edb8e1f0e3f1adc562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765546e051a1b6133b6ac243b9289951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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