已知函数
.
(1)若
是
的极值点,求函数
的单调性;
(2)在(1)的条件下,当
时,求
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5364b5d303421b36bfdf7a871c2c8c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)在(1)的条件下,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b008beb08962361a5e035b2989c4d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
23-24高二下·江苏·阶段练习 查看更多[2]
更新时间:2024-04-03 11:01:23
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】已知函数
,常数a大于零.
(1)若
,求
的单调区间;
(2)若函数
存在零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d7996d9038cdf567cd9b81d03a3c82.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5844d24c13d8ae63b3f5c97e27a90ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c67a7e28dba059006021a2e2105f538.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】设函数
.
(1)求
的单调区间和极值;
(2)若对一切
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b516e738a4c1972226902252f5d7106.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c04fcd62fc9d45efda4c2e22930a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f2416d1f75a45a314331146550832e.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
解题方法
【推荐1】已知函数
,求证:在区间
上,函数
的图象在函数
的图象的下方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f886e44ef2d6fa7cec3cf0afb74ea9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02966b47f20fa9a0eef0c8839412c9a.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】如图所示,某地区打算在一块矩形地块上修建一个牧场(ABCDEF围成的封闭区域)用来养殖牛和羊,其中AF=1,AB=10,BC=4,CD=7(单位:百米),DEF是一段曲线形马路.该牧场的核心区为等腰直角三角形MPQ所示区域,该区域用来养殖羊,其余区域养殖牛,且MP=PQ,牧场大门位于马路DEF上的M处,一个观察点P位于AB的中点处,为了能够更好观察动物的生活情况,现决定修建一条观察通道,起点位于距离观察点P处1百米的O点所示位置,终点位于Q处.如图2所示,建立平面直角坐标系,若
满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/e8e393cb-7acd-4c2d-b830-97b7279308a7.png?resizew=370)
(1)求
的解析式;
(2)求观察通道OQ长度的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dedbf8ca1610f0664a298f183e30e0ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afca1a7b775d48d31680cca27706c5a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/e8e393cb-7acd-4c2d-b830-97b7279308a7.png?resizew=370)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求观察通道OQ长度的最小值.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知
.
(1)求
的单调区间;
(2)若
,记
,
为函数
的两个极值点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b636e23fe10d7663b19ff5b8e1d1eff0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72a61e545651ffda5af26940f78bda7.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/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2dc42f7622717d6eb5d1c66b7469d3.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad0f1219bbd11b100631224be6075e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c235ca725ade5c8b07943ac106a90fb3.png)
(1)已知点
为曲线
上一点,若该曲线在点
处的切线方程为
(
,
),求
,
,
的值;
(2)讨论函数
的单调性;
(3)若
在区间
上有唯一的极值点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad0f1219bbd11b100631224be6075e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c235ca725ade5c8b07943ac106a90fb3.png)
(1)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b19a53e7c62ef4f687eeea80e902bcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe2d78f43611bad0d264eb3222f2472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.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/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0e705301752424a492f6277ed7774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐3】已知函数
.
(1)讨论函数
的单调性;
(2)若函数
有两个极值点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2e6965f2ee1aba4c7c0b3d83b3165b.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b88276e415e2ff62adeb797767af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次