名校
解题方法
1 . 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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2 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0154fef6bcf1a7045c21f13db7a50080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71599cd707909eb30d2a54be7f8c966.png)
A.![]() | B.![]() | C.2 | D.3 |
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名校
3 . 已知函数
,若函数
有四个不同的零点
(其中
),则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9daa193e11ff98cf70507f1ed30992.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0384a0466920e5bf00231a5c5bf77969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe305a0610c21bae9bbc73a95a2ed4ae.png)
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4 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceae9b4c453cd8a5f6d0ee5f45a56930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfac676da4f5b936183b13942f3ca5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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名校
解题方法
5 . 设函数
是定义在整数集
上的函数,且满足
,对任意的x,
都有
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0ecd416d6dc3d886b7bf73fc285dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70396a3a6e9f229a7518ff21fb46efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5aac164d04eb2155535cd35f1df3d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bde53de43dda74249725823c0e6610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e925b7d1bfa0960064d36fabef02df.png)
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6 . 设集合
,
.若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cf17f1aa29712966eb213db9ba5750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf61b7c6d1c49ebcb814e9cd61f9590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 若幂函数
在
上是减函数,则实数
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff76dafecdec30c52f32206c50bb685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 若集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e36d7403172cfd95f3bd2667509357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知函数
.
(1)若
,求不等式
的解集;
(2)已知
在
上单调递增,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0ba068906acd08973bf89c1c06e81c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc64c9fc732c76bec3e691d7ddbbefe.png)
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10 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efcc8cda62cc39b86e95bc21903aef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f59941f16b70148b465538da5d57483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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