已知不等式
对任意
恒成立,则实数
的最大值是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a3715de85e96cece29842cdc56e3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
21-22高二·全国·课后作业 查看更多[2]
更新时间:2023-07-04 18:10:11
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适中
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【推荐1】已知
分别是定义在
上的偶函数和奇函数,且
,则函数
在点
处的切线方程是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5650a46c24e65d922cf15c1c521b0896.png)
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【推荐2】下列命题中,正确的是___________________
(1)曲线
在点
处的切线方程是
;
(2)函数
的值域是
;
(3)已知
,其中
,则
;
(4)
是
所在平面上一定点,动点P满足:
,
,则直线
一定通过
的内心;
(1)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9f254f71e130b81e5fba34f7a7cfc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2341f404b0384056d86c32be4032a9d.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e21959dbf12a3d053f60c4d0e1ecd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0fa5d8301f4b34a10f98b5929667357.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b0bfae842359d68fff99ddafc1f542f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7e03e92257df31309d9c38373094fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6296464fcbb0e4463c4dd0c4d2a167dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bce00ce8cf5491c7ffa750e1d1176aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
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【推荐1】曲线
在
处的切线与曲线
相切于点P,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_______ ,P的坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7c4adef3485e8ac6e50d1926365327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d1c80afd75aa70b706d6280faa7597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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【推荐2】已知曲线
:
和曲线
:
,若存在斜率为1的直线与
,
同时相切,则b的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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