名校
解题方法
1 . 已知
且
,若函数
,的最大值不超过1,则实数
的取值范围是( )
![](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/eab873855ed8ca580c0ac1f461ccc3b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8ee93f7771f73f0303642db5783b21.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1854fd8bf76e74f6414fc8c9a77a0216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8ee93f7771f73f0303642db5783b21.png)
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解题方法
3 . 已知函数
若
,且
,则下列关系式一定成立的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353372712f9b302d01c9eff8edb1d335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c71152396d26b0c146e6a3c042bbdae9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
4 .
,已知
是定义在
上的偶函数,且
时,
,则集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9163ebe812708ee5337d62298c2e3363.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08793fa6cbcd2da8a41618ba4065649c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/986cda000d28188fbf069d4587c7e23f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb02fa6a94d9dfc5378e2b8a52a3a4a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9163ebe812708ee5337d62298c2e3363.png)
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真题
解题方法
5 . 已知函数
的定义域为R,定义集合
,在使得
的所有
中,下列成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff42ff0e772a602981c54616134a52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98d299979423e5ae74b618b07d10c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
A.存在![]() | B.存在![]() ![]() |
C.存在![]() | D.存在![]() ![]() |
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解题方法
6 . 已知函数
,若
,则
的取值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324c31fdada4c31ce6107a2bc21760ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147f89995c5aa07ce7f797c308c9c7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
A.一定为正 | B.一定为负 | C.一定为零 | D.正、负、零都可能 |
您最近一年使用:0次
名校
解题方法
7 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800873ce02ed63eda88ea3976d1a17e3.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f346995b45341dad7e7c8edfbcac6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800873ce02ed63eda88ea3976d1a17e3.png)
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名校
解题方法
8 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe37f4368957fc9acd074d6634923fa.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2970a6edd396d10826a92b71c9d3fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe37f4368957fc9acd074d6634923fa.png)
您最近一年使用:0次
解题方法
9 . 已知函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d0a191ad038b6fc08d08311048d228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb04d514baf56eec084671b88898770b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98cf78bc7435d06dd8a9112c5c8a178b.png)
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10 . 已知函数
,函数
与函数
的图象有5个不同的交点,则正实数k的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab142fdf0735944d83f1d36b0937b1fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5718b0e00707dcc6fc133d40e7fe814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9355031ea0b2dc9cef3777621bc6d38.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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