12-13高二下·四川成都·期中
名校
1 . 已知函数
,
.
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,求函数
的单调区间;
(3)当
时,函数
在
上的最大值为
,若存在
,使得
成立,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6771d2cb33e5cda49c9492dd06dea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ed05d03d2eb0451ebc042dfa71a9aa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51e2b8f615b2cc7eca7fda25efb507d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcdc9391830e0e926356e4112af1c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53224898de85a85058ad336490bbbaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97bfcc253057a6c86a51dc140476c9b.png)
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2016-12-02更新
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4卷引用:西藏自治区林芝市2016-2017学年高二下学期期末考试数学(理)试题
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