名校
解题方法
1 . 已知函数
,
的定义域均为
,且
,
,
,若
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880f083d9a5602f3e40909cb261fb977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c372b304101d9dac6619b3cf9049ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4807cf5a5ba4c535c9afcd4ef6afcb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6e0b74df42de88c91aadfdd9ac6727.png)
A.305 | B.302 | C.300 | D.400 |
您最近一年使用:0次
解题方法
2 . 设函数
是定义在
上的函数,并且满足下面三个条件:①对正数
都有
;②当
时,
;③
.则()
![](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/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4ae31cf7c872f16496cfb1eec47739.png)
A.![]() |
B.![]() |
C.不等式![]() ![]() |
D.若关于![]() ![]() ![]() ![]() |
您最近一年使用:0次
3 . 已知函数
的定义域为R,对于任意实数
均满足
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f5957c2ee681750ac004fa1c4bfffb9.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc86b6c345d52fcee1abfc9da735805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765d6fea26d8e02b91525cfb02914058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f5957c2ee681750ac004fa1c4bfffb9.png)
您最近一年使用:0次
4 . 已知定义在R上的函数
,对于任意的
恒有
,且
,若存在正数t,使得
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c3c7d9a147725bd2ee363e3364b97b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21fface3b063a889de163070a6634ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8718f486c48b09ffd904ddbf1dc7037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626c210fd48ea67a2670ed14a73e22a6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次