1 . 设函数
,若曲线
在
处的切线方程为
.
(1)求实数
的值.
(2)证明:函数
有两个零点.
(3)记
是函数
的导数,
,
为
的两个零点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa624a04244fbc541793fde397ce1cfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13653a89d3a38346e1ddf4fd1602f85.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d446c9121431d2f640cc3aec6b8e31c.png)
您最近一年使用:0次
2 . 已知定义在R上的函数
,其中a为实数.
(1)当
时,解不等式
;
(2)若函数
在
上有且仅有两个零点,求a的取值范围;
(3)对于
,若存在实数
,满足
,求
的取值范围.(结果用a表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b151084e6d3718cd67e5611ad7163a6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd78eaaea022ca802d231c741ac2779.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
(3)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53557175dd87da7a5e5162fa4ae9f281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2860ac4d3997accc7093982bc53c3264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d5eee24c7cd69c63003eda7868ed7.png)
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2023-06-22更新
|
230次组卷
|
2卷引用:浙江省宁波市2022-2023学年高二下学期期末(学考模拟)数学试题
名校
3 . 已知函数
,其中
.
(1)若
,求
的值;
(2)判断函数
的零点个数,并说明理由;
(3)设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8db6cdacc8e4071c6f2780f3da9ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fc5cec42e2884e91c299c480739334.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36825543013336c9df727bc51ff62c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ac925c426d50a3d5901effe66dc470.png)
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2023-06-22更新
|
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2卷引用:浙江省宁波市2022-2023学年高二下学期期末(学考模拟)数学试题
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0c0fb7d7810f3f95415e61621d07a4.png)
(1)若过点
作函数
的切线有且仅有两条,求
的值;
(2)若对于任意
,直线
与曲线
都有唯一交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0c0fb7d7810f3f95415e61621d07a4.png)
(1)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2832f82fdeafa819c92ca5c1e74eb5ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11906f6d52225af3a5ae55e58cbc64c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4ca5250e8a54f4fb86885c43e986d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190c1c2aa962c77da1b5e45cfa8c4bd2.png)
(1)求函数
的单调区间;
(2)求函数
在区间
上的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190c1c2aa962c77da1b5e45cfa8c4bd2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
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2023-06-18更新
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5卷引用:浙江省温州新力量联盟2022-2023学年高二下学期期中联考数学试题
浙江省温州新力量联盟2022-2023学年高二下学期期中联考数学试题(已下线)模块三 专题5 导数--基础夯实练(人教A版高二)(已下线)模块三 专题8 导数及其应用--基础夯实练(北师大2019版 高二)(已下线)模块三 专题7 导数--基础夯实练(人教B版高二)湖北省黄冈市浠水县第一中学2022-2023学年高二下学期期末数学试题
6 . 已知函数
.
(1)若
,求m的值:
(2)若方程
恰有一个实根,求m的取值范围:
(3)设
,若对任意
,当
时,满足
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2efb91939acb4f6e6da295e46fd697bd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d48a9d5d4e7f11f7f5de381e6e4060.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c952bc47d6f866ce1881ad4b60c678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92dc37d94e2af2f64ee6eebddc6c602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253f05621d3fe56fe4f790bec42e2fad.png)
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7 . 已知函数
.
(1)求函数
的单调递减区间;
(2)若函数
有三个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38effff670019803ebc84b8427f61f90.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-06-17更新
|
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6卷引用:浙江省丽水市2022-2023学年高二上学期期末数学试题
浙江省丽水市2022-2023学年高二上学期期末数学试题广东省潮州市潮安区凤塘中学2024届高三上学期统测(一)数学试题宁夏银川市第二中学2023-2024学年高二上学期期末数学试题(已下线)专题04 函数的极值与最大(小)值 (十二大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)(已下线)5.3导数在研究函数中的应用(4)四川省内江市威远中学校2023-2024学年高二下学期第一次月考数学试题
8 . 函数
,
.
(1)当
时,求
的单调区间;
(2)对任意
,都有
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a9d2d6b18eef28f73614e87ad58f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32cb884d1e3cdf7803d1bb73d49b4fcb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710dcb21f9e3872d3c1789822b1a81c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1a5699410baa270f3fa8153ab346e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-06-17更新
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2卷引用:浙江省杭州市余杭高级中学等四校2022-2023学年高二下学期3月联考数学试题
9 . 据《九章算术》中记载:将军要在
营地到骑马到河边的
营地,两营地之间相距50千米.已知马没有在河边补充水分时,速度为
;在河边喝完水,速度为
.如图所示,
营地离河边距离为
,河所在的直线为
,忽略马在河边喝水的时间.
(1)将军先骑马到河边的
处,再赶到
营地,一共要花多少时间;
(2)将军赶到
营地所花的最少时间为多少.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6c82ae8e6872ef04640da999a6f261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2534baef90f50f10979e0fc4a61f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6519fa1a5238b305143b5bcfc8e6036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/22/45194ea9-b22c-49fc-921a-e63760e9cc7f.png?resizew=203)
(1)将军先骑马到河边的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)将军赶到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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解题方法
10 . 已知:复数
,其中
为虚数单位.
(1)求
及
;
(2)若
,求实数a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703550b31e5dd07a569828b439a20975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1dafdcb053d94f014750d547ac49772.png)
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2卷引用:浙江省温州十校联合体2022-2023学年高一下学期期中联考数学试题