11-12高三上·山东淄博·期末
1 . 定义在
上的函数
同时满足以下条件:
①
在(0,1)上是减函数,在(1,+∞)上是增函数;
②
是偶函数;
③
在x=0处的切线与直线
y=x+2垂直.
(1)求函数
=
的解析式;
(2)设g(x)=
,若存在实数x∈[1,e],使
<
,求实数m的取值范围..
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/34d215462fc949108a79d1831e005a1f.png)
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/2d09cdfc36684519b18169250628b778.png)
①
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/a4f9794d8ecf4f7a951a7d32eb893c87.png)
②
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/0f8f29e3bc3444cf895323cc11f9bab6.png)
③
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/a4f9794d8ecf4f7a951a7d32eb893c87.png)
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/9a1ce6b3ecd943c2915ae121edeb07a7.png)
(1)求函数
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/e6a6a656cd2f47f9bc6041dbada3873c.png)
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/a4f9794d8ecf4f7a951a7d32eb893c87.png)
(2)设g(x)=
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/776647dc0ee349548e0cfc693932597b.png)
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/0d638d2f97054214a327a5b1e080c0b2.png)
![](https://img.xkw.com/dksih/QBM/2014/2/25/1571529570508800/1571529576030208/STEM/0f8f29e3bc3444cf895323cc11f9bab6.png)
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2 . 某公司生产陶瓷,根据历年的情况可知,生产陶瓷每天的固定成本为14000元,每生产一件产品,成本增加210元.已知该产品的日销售量
与产量
件之间的关系式为:
,每件产品的售价
与产量
之间的关系式为:
.
(Ⅰ)写出该陶瓷厂的日销售利润
与产量
之间的关系式;
(Ⅱ)若要使得日销售利润最大,每天该生产多少件产品,并求出最大利润.
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868240519168/1571868246384640/STEM/e8cf2687f8874c60a76622f0b71b6bba.png)
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868240519168/1571868246384640/STEM/3a9d0dc3521b4be3bf55d58021bcf9a4.png)
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868240519168/1571868246384640/STEM/1592769896d64549820bce257efe9b77.png)
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868240519168/1571868246384640/STEM/70c2ce2cd9304ca28384d1db4d34fcc7.png)
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868240519168/1571868246384640/STEM/3a9d0dc3521b4be3bf55d58021bcf9a4.png)
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868240519168/1571868246384640/STEM/24593ff9c13840c496373e17f66f223b.png)
(Ⅰ)写出该陶瓷厂的日销售利润
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868240519168/1571868246384640/STEM/77c0d1721d3747a9ab0147ef2bab79db.png)
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868240519168/1571868246384640/STEM/3a9d0dc3521b4be3bf55d58021bcf9a4.png)
(Ⅱ)若要使得日销售利润最大,每天该生产多少件产品,并求出最大利润.
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3 . 已知函数
.
(1)当
时,求函数
图象在点
处的切线方程;
(2)当
时,讨论函数
的单调性;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76fe73570173482390d44c9abaebf1e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bc334305133ac2b4b8d21efeb3324c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
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4 . 已知关于x的函数
.
(I)求函数
在点
处的切线方程;
(II)求函数
有极小值,试求a的取值范围;
(III)若在区间
上,函数
不出现在直线
的上方,试求a的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4946e3782a1a9880a69f6584ebb28a9b.png)
(I)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c454d7cebb5355b61d71cafb47afd72.png)
(II)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(III)若在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29d76a0016938b70255fd04b30ec2dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398c1cd295ad00e76e93a506e4c53443.png)
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5 . 设
,函数
的图象在点
处的切线方程为
.
(1)求函数
的最大值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057db09504e1a3e62cd7fc678a7c31ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e0be79885cfabb74bc5d7055e3f221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
![](https://img.xkw.com/dksih/QBM/2016/3/14/1572535107805184/1572535114186752/STEM/4c319fd15f8247d3b071158e7f8c1931.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78561b23564fc8a5e3a82d272ced149c.png)
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6 . 已知
处的切线为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
(I)求
的值;
(II)若
的极值;
(III)设
,是否存在实数
(
,为自然常数)时,函数
的最小值为3.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2949c52363eb1627d0e4a28baff6a971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
(I)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a475fec8ded321e10a6697319fb975.png)
(II)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215fee22dd513fc91c2be6b6f3192f81.png)
(III)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07172cfc86ad78919172a7ff971cc243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28389ca37dca2a824cb0e503b38fc32f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbf8443c6660797e21da083132d4f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74314814cdc6fb803abb4692458af131.png)
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2016-12-03更新
|
433次组卷
|
2卷引用:2015届山东省青岛市高三上学期期末考试理科数学试卷
9-10高二下·山东聊城·期末
解题方法
7 . 如图,把边长为10的正六边形纸板剪去相同的六个角,做成一个底面为正六边形的无盖六棱柱盒子,设其高为h,体积为V(不计接缝).
(1)求出体积V与高h的函数关系式并指出其定义域;
(2)问当
为多少时,体积V最大?最大值是多少?
(1)求出体积V与高h的函数关系式并指出其定义域;
(2)问当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://img.xkw.com/dksih/QBM/2014/5/29/1571741902045184/1571741907558400/STEM/d6f4ade494384470a2f17f88e6c3b7ed.png)
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9-10高三·安徽合肥·阶段练习
8 . 函数
的定义域为开区间
,导函数
在
内的图象如图所示,
则函数
在开区间
内极值点有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/5b60fb55-f0b3-4d69-b4a5-a74970d043aa.png?resizew=247)
![](https://img.xkw.com/dksih/QBM/2011/8/17/1570286458413056/1570286463565824/STEM/b6a50a59a3a74f71afacf4d5ba892cd2.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2011/8/17/1570286458413056/1570286463565824/STEM/976dd4670bef4d6782e63db6e3664c21.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2011/8/17/1570286458413056/1570286463565824/STEM/4408e08f29de40ad83e79096a8974d3d.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2011/8/17/1570286458413056/1570286463565824/STEM/976dd4670bef4d6782e63db6e3664c21.png?resizew=37)
则函数
![](https://img.xkw.com/dksih/QBM/2011/8/17/1570286458413056/1570286463565824/STEM/b6a50a59a3a74f71afacf4d5ba892cd2.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2011/8/17/1570286458413056/1570286463565824/STEM/976dd4670bef4d6782e63db6e3664c21.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/5b60fb55-f0b3-4d69-b4a5-a74970d043aa.png?resizew=247)
A.1个 | B.2个 |
C.3个 | D.4个 |
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2011-03-07更新
|
704次组卷
|
28卷引用:2010-2011学年山东省汶上一中高二下学期期末考试理科数学
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9 . 设函数
,其中
为非负实数.
(Ⅰ)求
的极大值;
(Ⅱ)当
时,若直线
与函数
在
上的图象有交点,求实数
的取值范围;
(Ⅲ)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c68b991ee3ee0812baf2ac1d357759b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f318e797f964d8004b91cc055086a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f822da929ea64a7e3c4ddb4e8f215724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(Ⅲ)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9374d3462754e846cbb0f7dd5fd28277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/708de2c9b36b557a90b84f0b829b3864.png)
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10 . 已知函数f(x)=cosx,那么
=_____________ .
![](https://img.xkw.com/dksih/QBM/2016/3/11/1572533424783360/1572533430673408/STEM/edba5be914cc4100a7e34018550ff01c.png?resizew=78)
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