已知
且
)在
上是增函数,则实数
取值范围是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658a7d7e3e6156a412a0a3b48243ef0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2019-09-13 19:07:32
|
【知识点】 对数型复合函数的单调性
相似题推荐
填空题-单空题
|
适中
(0.65)
【推荐2】设集合
为函数
的单调递减区间,集合
,则“
”是“
”的___________ 条件(填“充分不必要”或“必要不充分”或“充要”或“既不充分也不必要”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e1a8cdd79b87078117e2e5e143416a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca539014bd8a719962d62faea29acab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf8fcd67ce3fe0d542daebbc5753bd5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94af2a91d5767a133b06dbc355988de.png)
您最近一年使用:0次