名校
1 . 已知集合
是具有下列性质的函数
的全体,存在有序实数对
,使
对定义域内任意实数
都成立.
(1)判断函数
,
是否属于集合
,并说明理由;
(2)若函数
(
,
、
为常数)具有反函数,且存在实数对
使
,求实数
、
满足的关系式;
(3)若定义域为
的函数
,存在满足条件的实数对
和
,当
时,
值域为
,求当
时函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0e86b7a5ad4a9754d31c883ad4c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d761c4444f5eac17133caaf19d6b9ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557eb194cf0abe382609f8e1325b4197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97575938cfea82811a0bd490cacf80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.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/be54db6c82096015c2fd1cfa62a05fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96f3ea0467dc6393d7c4b602175a394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96f3ea0467dc6393d7c4b602175a394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ae286ae8a209bc659ace6354b79abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf50c8be8e33ada7685069f84249b75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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名校
2 . 定义区间
的长度均为
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa403daf6f8420dcefeea93fec41798c.png)
(1)若函数
的定义域为
值域为
写出区间长度
的最大值;
(2)若关于
的不等式组
的解集构成的各区间长度和为6,求实数
的取值范围;
(3)已知
求证:关于
的不等式
的解集构成的各区间的长度和为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc5d7657fd10839719b593b12d12e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d9560a5a060961e957ffeff10a29aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa403daf6f8420dcefeea93fec41798c.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927adc3ef749d09e76374ffbd7c50da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75af93e9c237ee52e258aa48a4a55649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8936e3646db9171519b41c08c16391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac502f3aadb3b15abf4aa7368b7f5b8.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07b34bade7a10c5ecc1febbf0829912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7efe337fed3335419338c68b92c50e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab381e4696b228db83ba14f9dca29011.png)
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解题方法
3 . 若点
关于直线的对称点在函数
的图像上,则称点
、直线
及函数
组成系统
,已知函数
的反函数图像过点
,且第一象限内的点
、直线
及函数
组成系统
,则代数式
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3222431ba01b9dad170ab2c4c064fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/245cf005ea128004f66642a7413711d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38f266df4834d1e546d66547b80220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3511cdc6a9b56bc1d9415d3d94ef0f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3865adbcae0f6868eb0e9870466d6e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e377d1f37c54ceeabf5ed13882637d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960a8d399acd11e50f26be3f2ef4ec70.png)
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名校
4 . 已知
为
上的偶函数,当
时,
.对于结论
(1)当
时,
;
(2)函数
的零点个数可以为
;
(3)若函数
在区间
上恒为正,则实数
的范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac7dfded4fcd63c138b6c3ca3049af8.png)
以上说法正确的序号是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d931916c7cf75824d3faf998cb5fc8.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1abbf4220e2137da1713327be895b456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68361a0dd9b8debcc9d19558184a5c5.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6379419627bb36cc2f289f9b9ef8881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac7dfded4fcd63c138b6c3ca3049af8.png)
以上说法正确的序号是
您最近一年使用:0次
名校
5 . 已知函数
,则方程
的根的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e053b98ee478a4b00518f9bd2b7327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcee27ee031e876fbaf330fe8c42d8ce.png)
A.7 | B.5 | C.3 | D.2 |
您最近一年使用:0次
2019-08-02更新
|
4957次组卷
|
10卷引用:内蒙古赤峰市2018-2019学年高二下学期期末联考数学(理)试题
内蒙古赤峰市2018-2019学年高二下学期期末联考数学(理)试题安徽省蚌埠市第二中学2019-2020学年高一上学期期中数学试题黑龙江省齐齐哈尔市实验中学2020-2021学年高三上学期期末数学(理科)试题湘教版(2019) 必修第一册 突围者 第4章 易错疑难集训三(已下线)期中重难点突破专题01-【尖子生专用】2021-2022学年高一数学考点培优训练(人教A版2019必修第一册)(已下线)专题2-4 复合二次型和镶嵌函数零点-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)2023版 湘教版(2019) 必修第一册 突围者 第4章 易错疑难集训三河北省邯郸市大名县第一中学2021-2022学年高二下学期期末数学试题黑龙江省大庆铁人中学2022-2023学年高三上学期第一次月考数学试题(已下线)第四章 导数与函数的零点 专题三 复合函数零点问题 微点1 复合函数零点问题(一)
名校
6 . 定义“正对数”:
,现有四个命题:
①若
,
,则
;
②若
,
,则
;
③若
,
,则
;
④若
,
,则
.
则所有真命题的序号为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f3df003ec70bffce22873618be147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f626ae138bb34dd02a5b8493d0539d.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/726bf5dee628f39444795d73022e25a5.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc07e8e145d861b269492225f259afa.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14af059e89ef7320ef02103d01542518.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c92cb468445b1839ba06da150700eeb.png)
则所有真命题的序号为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f3df003ec70bffce22873618be147.png)
A.①②③ | B.①②④ | C.③④ | D.②③④ |
您最近一年使用:0次
7 . 设函数
的反函数为
,若存在函数
使得对函数
定义域内的任意
都有
,则称函数
为函数
的“Inverse”函数.
(1)判断下列哪个函数是函数
的“Inverse”函数并说明理由.
①
;②
;
(2)设函数
存在反函数
,证明函数
存在唯一的“Inverse”函数的充要条件是函数
的值域为
;
(3)设函数
存在反函数
,函数
为
的一个“Inverse”函数,记
,其中
,若对函数
定义域内的任意
都有
,求所有满足条件的函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.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/346b6e84aa00abca0241eb18b6a5e38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)判断下列哪个函数是函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb0febd73692b5a2d8b559c2b4bb67ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8904fa3def3f943c3d2ab20dbc632e.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12042034d9bc24cc31f15895dce44b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641067daedeade49b5d9924c6e245cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39e176af5b23719580d925e792aa8b0.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/9ee724824f6623445bf571d1fffc5c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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名校
8 . 对数函数g(x)=1ogax(a>0,a≠1)和指数函数f(x)=ax(a>0,a≠1)互为反函数.已知函数f(x)=3x,其反函数为y=g(x).
(Ⅰ)若函数g(kx2+2x+1)的定义域为R,求实数k的取值范围;
(Ⅱ)若0<x1<x2且|g(x1)|=|g(x2)|,求4x1+x2的最小值;
(Ⅲ)定义在I上的函数F(x),如果满足:对任意x∈I,总存在常数M>0,都有-M≤F(x)≤M成立,则称函数F(x)是I上的有界函数,其中M为函数F(x)的上界.若函数h(x)=
,当m≠0时,探求函数h(x)在x∈[0,1]上是否存在上界M,若存在,求出M的取值范围,若不存在,请说明理由.
(Ⅰ)若函数g(kx2+2x+1)的定义域为R,求实数k的取值范围;
(Ⅱ)若0<x1<x2且|g(x1)|=|g(x2)|,求4x1+x2的最小值;
(Ⅲ)定义在I上的函数F(x),如果满足:对任意x∈I,总存在常数M>0,都有-M≤F(x)≤M成立,则称函数F(x)是I上的有界函数,其中M为函数F(x)的上界.若函数h(x)=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55752f2f593e8842422cb96014d12842.png)
您最近一年使用:0次
2019-04-23更新
|
1457次组卷
|
5卷引用:四川省成都七中2018-2019学年高一(上)期中数学试题
四川省成都七中2018-2019学年高一(上)期中数学试题江苏省扬州中学2019-2020学年高一上学期12月月考数学试题(已下线)2019-2020学年高一上学期期末复习1月第01期(考点05)-《新题速递·数学》广西南宁市第二中学2019-2020学年高一上学期期中数学试题广东省实验中学2019-2020学年高一上学期期末数学试题
9 . 已知非空集合
是由一些函数组成,满足如下性质:①对任意
,
均存在反函数
,且
;②对任意
,方程
均有解;③对任意
、
,若函数
为定义在
上的一次函数,则
.
(1)若
,
,均在集合
中,求证:函数
;
(2)若函数
(
)在集合
中,求实数
的取值范围;
(3)若集合
中的函数均为定义在
上的一次函数,求证:存在一个实数
,使得对一切
,均有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5f5f81ea1a02b88ff8491fcf4937db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a2a1822ac7392b61b2c0fffc1fbc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7de4de1315f460681d9da70dd8fc47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5f5f81ea1a02b88ff8491fcf4937db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbec485ab7b15f1e09f163fe990577c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd1f807dd5b1507c823ad8c1db55a6c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c8726575585ccd6e00c02033825374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e62e7482ee75b0768111a4df5f0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10c7b4247b574fc4b71d6e02ebf2d20.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e5552d315d2ea9b01d112dca830754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5f5f81ea1a02b88ff8491fcf4937db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73bc955d158efde0bdd62d14a60a65e3.png)
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2020-01-16更新
|
772次组卷
|
3卷引用:2016届上海市杨浦区高三5月模拟(三模)(理)数学试题
名校
10 . 已知函数
,当点
在
的图像上移动时,点
在函数
的图像上移动,
(1)若点
的坐标为
,点
也在
图像上,求
的值.
(2)求函数
的解析式.
(3)当
,令
,求
在
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da884c270635db3aaef1185453eadef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183fb8e3c2f8ec54af49111d9428cf77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40d5295942e85ec07a3728c7ad308d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c118ebe8421c5e2c21de92e73340955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8a14649950eb1c74a1a1af244fbf8f.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bc3d7ac64338eedddbb901441b0b0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40d5295942e85ec07a3728c7ad308d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8a14649950eb1c74a1a1af244fbf8f.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb352ea0a04d5216dda2abe54a35614d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f0285ff9b199094d53e6f5ff6b97e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08aca6fb29f2ba74109eb9fc4bf04a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1bbdd107add3d929524ebd9c415d7c6.png)
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