解题方法
1 . 已知函数
,
.
(1)若函数
的图象与直线
相切,求实数
的值;
(2)设函数
在区间
内有两个极值点
.
(ⅰ)求实数
的取值范围;
(ⅱ)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af636b59b07acdea3f32c324cd9f0068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2dead8f5aa98f35cd681ea18e5eea6.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7863b54185da5a3f1a765e1aa0577e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
(ⅰ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048e3fa4318163c9980ad5b25985fead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
2 . 已知函数
是
上的奇函数(
为常数),
,
.
(1)求实数
的值;
(2)若对任意
,总存在
,使得
成立,求实数
的取值范围;
(3)若不等式
成立,求证实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef48d0c7d50bb70abaf92e31ecc33c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82f36ccbc2c7b8d9bd3aeb7a4cdf123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b3a5b4f2b7279a7aa94f8ec12b3f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3afa9b6f5e9873bb4aa72b6473d3f33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9f77f71250d5442c74ab2a2778a14f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
解题方法
3 . 如图,已知海岛
与海岸公路
的距离
为
,
,
间的距离为
,从
到
,需先乘船至海岸公路
上的登陆点
,船速为
,再乘汽车至
,车速为
,设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/4ee461c5-aa2c-4289-b76a-b07aa62c08a9.png?resizew=151)
(1)用
表示从海岛
到
所用的时间
,并指明
的取值范围;
(2)登陆点
应选在何处,能使从
到
所用的时间最少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6162ce8297482d9ed897a15be5fa2ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5abc4891decbeb113186c62edfe5f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f2ef612f49f4765e46cd9bbb703a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084e821341ae449b597d5d09204d6120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb689a793465929f004e561242fa993.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/4ee461c5-aa2c-4289-b76a-b07aa62c08a9.png?resizew=151)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5224a7da7fe6bc28971ce4c277f88588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)登陆点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
4 . 已知函数
,若函数
恰有2个零点,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fe1f7f3c6b010607889920159f7129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32754ace595e19c75abaa59dc1e4a068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
5 . 已知函数
.
(1)设
时,求
的导函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbefef7b3281be333606691debb669a.png)
的递增区间;
(2)设
,求
的单调区间;
(3)若
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5220ea349c65e314518b9d1fb02aab1.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbefef7b3281be333606691debb669a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6e28dbfcdd6fb66b9ff759be044287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-04-10更新
|
687次组卷
|
3卷引用:江苏省宿迁市宿豫中学2019-2020学年高二下学期复学考试数学试题
江苏省宿迁市宿豫中学2019-2020学年高二下学期复学考试数学试题江苏省南京市秦淮中学2019-2020学年高二下学期期中数学试题(已下线)专题09 导数与函数的单调性-冲刺2020高考跳出题海之高三数学模拟试题精中选萃
名校
解题方法
6 . 某汽车生产企业上年度生产一品牌汽车的投入成本为10万元/辆,出厂价为14万元/辆,年销售量为
辆.本年度为适应市场需求,计划提高产品档次,适当增加投入成本,若每辆车投入成本增加的比例为
(0<
<1),则出厂价相应提高的比例为0.6
,年销售量也相应增加.已知年利润=(每辆车的出厂价-每辆车的投入成本)×年销售量.
(1)若年销售量增加的比例为0.5
,为使本年度的年利润比上年度有所增加,则投入成本增加的比例
应在什么范围内?
(2)若年销售量关于
的函数为
为常数),则当
为何值时,本年度的年利润最大?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47b195803959509b25d8e415b4ce563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若年销售量增加的比例为0.5
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若年销售量关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e9335d3c50ead51a3bea04324ffe2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
7 . 已知函数
,函数
的导函数
在
上存在零点.
(1)求实数
的取值范围;
(2)若存在实数
,当
时,函数
在
时取得最大值,求正实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6607211faae863b8b91b5a7247b6eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d9e093d7bfe7b45645ab7fab3d5e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80c74f26a5ce7e60722f034a7a2b8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7648e8ca95d753284340645012f55f9a.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1179338aaa7f469d91589dcda0b51197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf44cfffbfd4fd7c0e20ee2dc19bd3c8.png)
(1)若
在
处取得极小值,求
的值;
(2)设
是
的两个极值点,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf44cfffbfd4fd7c0e20ee2dc19bd3c8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de61f35747f819e3cf0917ca4161a9f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/191de507cfd2dd5d3e26e257e5dadf0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
9 . 设函数
,其中
.
(1)讨论
的单调性;
(2)若不等式
恒成立,求实数a的取值范围;
(3)求证:对于任意
,存在实数
,当
时,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb3cd0bee6e5563e1f74efe13c5ed73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2fb5c70550cd1713f00f0c6036093c.png)
(3)求证:对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119c13383d9a3838ad3b6342ce720a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
您最近一年使用:0次
2020-03-26更新
|
732次组卷
|
4卷引用:江苏省宿迁市沭阳县修远中学2019-2020学年高二(普通班)下学期4月月考数学试题
江苏省宿迁市沭阳县修远中学2019-2020学年高二(普通班)下学期4月月考数学试题江苏省泰州中学2018-2019学年高二下学期第二次月考数学(文)试题江苏省南京市秦淮中学2020-2021学年高二下学期第一次月考数学试题(已下线)一轮大题专练13—导数(任意、存在性问题1)-2022届高三数学一轮复习
名校
10 . 已知函数
.
(1)当
时,讨论
的单调性;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba5c494d16b48dc23d70f88311e1f02.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b06387179d53c1e474fcfcb408b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e97fe6b85433dc7d61a7b43bb7c3fee.png)
您最近一年使用:0次
2020-03-16更新
|
351次组卷
|
3卷引用:江苏省宿迁市泗阳县众兴中学2020-2021学年高二下学期4月月考数学试题