解题方法
1 . 已知
,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81886af1862dc88a96aee87d1c175347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a989c4fbf0ff34cedb365d2dda47f16.png)
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2 . 已知函数
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74fe709a3a010e520e00bfa3f1f4c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4b55bf53ca8a3504a082a7ee543c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
名校
3 . 已知幂函数
在
上是增函数,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700cf041d31cff475734be1fe347142a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2019-11-21更新
|
388次组卷
|
5卷引用:河南省焦作市2019-2020学年高一上学期期中数学试题
4 . 集合
,
,则
的子集个数是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18163911d9b508a018d01a1eec14ee8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2776adb7846d6ccaba7ea8249c2b32fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
您最近一年使用:0次
2019-11-21更新
|
186次组卷
|
2卷引用:河南省焦作市2019-2020学年高一上学期期中数学试题