已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1) 求函数
的单调区间.
(2)若函数
在
上恒成立,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2123e494e8271c9ac020b551f5c04066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1) 求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b095c3b3d32619c3e0c581f79cd8f48e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
18-19高二下·陕西西安·期末 查看更多[2]
更新时间:2019-07-09 19:27:13
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【推荐2】已知一列椭圆.若椭圆
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(1)试证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b2b654f58cc444e3a86515692e46671.png)
(2)取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b950f01934279f704fae817976d19b6.png)
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适中
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名校
【推荐3】已知函数
,其中
.
(1)当
时,求函数
的图象在点
处的切线方程;
(2)如果对于任意
,且
,都有
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c5fe9045e6cad369f6afc033d1b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)如果对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd423a80d5b6fea8753fa1813cfbcc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2f24b4fa5308650a244d954f78f09b.png)
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适中
(0.65)
解题方法
【推荐1】设函数
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(1)讨论
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(2)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2dc2491e492959e5746cec9803e255f.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7c674dde4404e0daa64cae41f885a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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适中
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名校
【推荐2】函数
.
(Ⅰ)若函数
在点
处的切线过点
,求
的值;
(Ⅱ)若不等式
在定义域上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fbb888520a86bfa9898272629ba32f.png)
(Ⅰ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eed6e87691fa0bf75f4b243a8565661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
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适中
(0.65)
解题方法
【推荐3】已知函数
,其中
为非零实数.
(1)求
的极值;
(2)当
时,在函数
的图象上任取两个不同的点
、
.若当
时,总有不等式
成立,求正实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6223c3678ff0901122781bcd0bcdeed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbd5bb726a08c308b48373afebbb768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b97d299558f811d5712d9979ed62e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7838e6e705ec359ca0a27ecb131cce22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a850874036273f74ce65d00038e435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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