已知函数
(
).
(1)求曲线
在点
处的切线方程;
(2)求
的单调区间和极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68003aecbd5929629792dc71443b85da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
22-23高二下·重庆·阶段练习 查看更多[3]
更新时间:2023-06-09 00:26:49
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解答题-问答题
|
适中
(0.65)
【推荐1】设函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,
的最大值为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4854b70212c0a603213ed5fe40a4e4da.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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|
适中
(0.65)
【推荐2】设函数
.
(1)k=1时,求曲线f(x)在点(1,f(1))处的切线方程;
(2)求f(x)的单调区间和极值;
(3)证明:若f(x)存在零点,则f(x)在区间(1,
]上仅有一个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee2c31ceffd0b2c2edf31b12c17b6a3.png)
(1)k=1时,求曲线f(x)在点(1,f(1))处的切线方程;
(2)求f(x)的单调区间和极值;
(3)证明:若f(x)存在零点,则f(x)在区间(1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2598975ac1edb754817eada15b9a473e.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】已知函数
,其中
.
(1)若
,求曲线
在点
处的切线方程;
(2)求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55a1eb468a42961a693e9a5d78d9d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44284ff1ea50429a0610e13363be6080.png)
您最近一年使用:0次
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适中
(0.65)
名校
【推荐1】已知函数
,其中
.
(1)若曲线
在点
处的切线方程为
,求函数
的解析式.
(2)讨论函数
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d054255a685a4df2a7de8d6c4827874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/622a3bcf97cdce271d1112ccab1d542b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b428ff0f74f51a964a0e871e3a9e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
【推荐2】一窗户(如图)的上部是半圆,下部是矩形,如果窗户的面积为定值,当半圆半径与矩形的高之比为何值时,窗户的周长最小?
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/ca1cf213-8a0c-497a-a7c6-014544e44121.png?resizew=96)
您最近一年使用:0次
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适中
(0.65)
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【推荐3】(1)已知函数
,求函数
的单调区间;
(2)已知函数
,求函数
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618f0578f97ebf6cd7faab27837f5adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f929d7b7667b8343d4dce014b3946d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
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适中
(0.65)
【推荐1】已知函数
,其中
.
(1)若
,求函数
的定义域和极值;
(2)当
时,试确定函数
的零点个数,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d5751eb42dfc53710908b6f1561189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9998f27aca8e31ba479b96858b509c85.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知
.
(1)当
时,求
的极值;
(2)当
时,判断函数
的单调性;
(3)当
时,若
在
处取得极大值,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d08e824ce22e597af875170b819d66.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f899af75a51e5543d1f971981060c55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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解题方法
【推荐3】已知函数
.
(1)若
,判断函数
是否存在极值,若存在,求出极值;若不存在,说明理由;
(2)设函数
,若至少存在一个
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9f461dfa344f05533db6a9fac2ce6e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460aa97757bc1b09168e408432b4cf28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110fb6ee651d45e94dede40035675714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fddbca21e68bfe772a5fc43d8cb785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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