1 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1893ec3241bbeb7909e5a1ecfb7c1760.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac7948035111d4a01f9b0d5a5c33608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1893ec3241bbeb7909e5a1ecfb7c1760.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)若
为奇函数,
(ⅰ)求
的值,并说明理由;
(ⅱ)比较
与
的大小;(结论不要求证明)
(2)若
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39f559640bff9fa378fb83921d5a16c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ⅱ)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9347bb4ffedcbea2f4c16d047a138d75.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5147afedf2c3ee60cf05a06e4a49fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ca85efd41a88a977352633658fa486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8256473c06c2c644212c4ff97abf03ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f97574a07286c7e03bf7482404a8b28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
4 . (1)求值:
;
(2)已知
,
,用
,
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7e362036b1558f17306d392dfc467a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5aca7f0097fc0562c40375ce6756d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57115371320bf8c2b5cde136392696c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627bfd2e668a89ae153557414dd266aa.png)
您最近一年使用:0次
5 . 函数
,
.
(1)若
为偶函数,求
的值及函数
的最小值;
(2)当
时,函数
的图象恒在
轴上方,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd31b00e4bd45e1c11b7b6036e46148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
6 . 下列函数中,其定义域和值域分别与函数
的定义域和值域相同的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce5f1f2567eb0516b1ca6d20d36a8e8d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 函数
的零点个数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ff59f3a0159de1c361fbe98bac6f8c.png)
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解题方法
8 . 已知函数
,在下列区间中,包含
零点的区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a107ea759841668c814508aff93369c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 函数
的定义域是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/729ca32f13dda2e1df5277615447930b.png)
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解题方法
10 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70050161d248d91516c51d293b9205ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1cb90da3fcff90e3a6ad70765b7b88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6b092e07e780206a059cce6edbbfb8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次