题型:解答题-问答题
难度:0.65
引用次数:174
题号:20809957
已知函数
.
(1)求
的单调区间;
(2)若
在
时恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1224c5aa8a77c9ef48f020880f8e2abb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557bf8537dbdc00c6a1d1a0bae6d5033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-11-12 18:14:13
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【推荐1】函数
.
(1)当
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(2)若
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当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0469b00bc3e0502b0bc86b52bbcb05.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce4430b8b9b0c78de693513a7f88915.png)
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a076165bc5557f778b9dbd9dd955708.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6263576e5c3f2324a8dac311476bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1761c734bf02e254630c1828ed19ecc6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683987b432e5a51aceed45ac9ef72537.png)
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适中
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名校
解题方法
【推荐1】已知函数
,设函数的最大值为m.
(1)求m的值;
(2)若对
,
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616633caaee79e8e672e8b2c6a44a3be.png)
(1)求m的值;
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511a12f75b3a170b54366d51caf098b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c20cc27fabf7ac1a8217644aef44e50.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知函数
.
(1)当
时,求
的单调区间;
(2)若对任意
,都有
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbdf0278930305eac4c0bf0767896f01.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c369e4ca622d5f41e34066487e3c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若对任意
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9e9fc7b7ad0212e74af530a9603e28.png)
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