1 . 已知:函数
.
(1)判断函数的奇偶性并加以证明
(2)利用单调性的定义证明:函数
在
上单调递减;
(3)直接写出方程
(
)的根的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5effb3053cf609f59178641cd48167.png)
(1)判断函数的奇偶性并加以证明
(2)利用单调性的定义证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
(3)直接写出方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
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2 . 已知集合
,集合
.
(1)当
时,求
,
,
;
(2)若
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc378d312bb86d732e8f3f64d8cc5d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8182307f4dfe72c41d06ab6cdec459.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa5ad99d60a473d94bb6811ddbfe8a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 已知:设
,
,
,求:
(1)
;
(2)
;
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c4ac96891834e3aa2e86c54b8bd9c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f6bb263e67ce70fde4fc328535f3a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a95688d926799f15e80b9847f095a66.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7817b055b567e64ea8914a5d6e9b45d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19ad2f78decbacb9fb950fdf97e2eda.png)
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4 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818ce05ffc1c820afdfbdd51f177784.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c41f58c9da2847078b8cf3896acd3ef.png)
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解题方法
5 . 已知集合
,
.
(1)当
时,求
和
;
(2)若
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75a18f7fad5dfd057b8751eaf6c9628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161a9faa17aed61fa77ea18e306902cc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89447bf089edbac38ad56a117f9c82ef.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b01b68b0a4b8f07f240e69e4631187.png)
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解题方法
6 . 已知函数
的图像经过点
.
(1)求函数
的解析式;
(2)判断函数
在
上的单调性并证明;
(3)当
时,
的最小值为3,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0df848bc19edcbe6daf56f36a8b56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8be8de0230f64e618c6a7362f3099d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae61f4eb1e4f52cb48e523d0065bd49.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387e9eb75d1b04eee0c50b3a38f90c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
7 . 函数
.
(1)判断函数
在
上的单调性,并加以证明.
(2)求函数
在
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6885ab2f8a20974c7e5a809eebf6dfe1.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9e66b73038b6279d204a47a78902ad.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f88173ef0c29bedd0155b7893d2474.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
(
且
)是
上的奇函数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d1b5c221eae7af0c935cac8bb124f5.png)
(1)求
的解析式;
(2)把区间
等分成
份,记等分点的横坐标依次为
,
,记
,是否存在正整数n,使不等式
有解?若存在,求出所有n的值,若不存在,说明理由;
(3)函数
在区间
上的值域是
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a6c5efcad0045395a02ec73b3ee976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d1b5c221eae7af0c935cac8bb124f5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)把区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7231d936e5de602116cd7d8b15bc63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82faf5edc39020d5d05af82062c211f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99d4da2bc8900b423d5112b7ed391a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142865ccd70d68cde638b922372722f9.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711e45f600c091e6830c0b70cd012ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe4a50f074de19839092484240672d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8573eecbc29f522671b3892ec406c50b.png)
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名校
解题方法
9 . 函数
对任意的实数
,都有
,且当
时,
.
(1)求
的值;
(2)求证:
是
上的增函数;
(3)若对任意的实数x,不等式
都成立,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511c6df12471be855702975c45498bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea998345984b6d1bbffa1e667365ed6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da3a6d011679952771607b3a166676b.png)
(3)若对任意的实数x,不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e3ea33f03473803778f02624cf4328.png)
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10 . 计算:
(1)
;
(2)若
,求
值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee24a859d924b9eaa550bbdb45e8db93.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49bd3940ca55a74d566bfe8625621a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b0b42bb92e0389bb67ee2d22db8390.png)
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