设函数
,则满足
的
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeea94360930b1cd7db52049e19416a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d61d0a6654bdc60d4b947a8cecbe49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2017-12-15 20:30:21
|
相似题推荐
单选题
|
较难
(0.4)
名校
解题方法
【推荐1】已知函数
,则函数
的零点个数是 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ac3de4eec8251b79848055feb68010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b947fd5100f4823c6d41db554861572a.png)
A.4 | B.5 | C.6 | D.7 |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】已知函数
,如果存在实数
,其中
,使得
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f75fc0b5f6c13abd77c81682e090031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b056a90a2751f04ba5fff3dc5c1d0674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f09f29bb529ab9967a275b26e150c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ad713fca8eb911168187dbd11dbf3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe04409b13fe225707665309adb4cdde.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐3】已知函数
,若函数
所有零点的乘积为1,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00660a23d34b28bff918675016329a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063e117674cfa096c5f0aa45f7d663d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
解题方法
【推荐2】设函数
为定义在
上的奇函数,且当
时,
,若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259c94cc72887ac88aec168055ea9ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9261a105b3c68650f8eb4b85ee9f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e930f5c445e8fd4fd5c4f07d6b1986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次