若函数
有唯一零点
,且
,(
为相邻整数),则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53273e2e91c96f5f3ecd30aa7a6ca34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/101e1c732398bdd0bbc3042db6562e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
22-23高二下·四川广元·期中 查看更多[2]
更新时间:2023-06-21 21:58:26
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相似题推荐
填空题-单空题
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较难
(0.4)
【推荐1】已知定义域为
且
的函数
的图象关于直线
对称,当
时,
,设函数
的导函数为
,给出以下结论:
①
;
②函数
的图象关于点
对称.
③若
时,函数
在
上是减函数;
④若函数
恰有四个零点,则a的取值范围是
:
其中正确的序号是______ (写出所有正确命题的编号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d27d44667646fb1e1193ebdeba87c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ebb603f3178fc85f0e44a2c71bdc40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9fcc810737f7b6df5b0f951cb71f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71918d95ccfd144da6cc8f7a6faeccf0.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac9eb4f13a6ec140f7050e8d7dde52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
④若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a2c15ace62679a1dbf94ac74cfc9ef.png)
其中正确的序号是
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名校
【推荐2】关于函数
有下列结论:
(1)函数
存在最小值但没有最大值;
(2)函数
存在两个零点,且两个零点的和小于1;
(3)函数
存在唯一的极小值点
,且
;
(4)函数
存在唯一的极大值点
,且
.
其中正确的是__________ .(填写所有正确结论的编号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2db29e99cb06dfd0d9dbdd3a0d387fd.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caae75ee744fa4662f1dc8fbe3995789.png)
(4)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f803d4aab3143f9e43d7a024aab305e9.png)
其中正确的是
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解题方法
【推荐1】已知
是定义在
上的单调函数,且对任意的
,都有
,则方程
的解所在的区间是________ .(填序号)
①(0,1);②(1,2);③(2,3);④(3,4).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac03d8e6cc07477427713900056314b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07411839611f1879ce591a771aaba440.png)
①(0,1);②(1,2);③(2,3);④(3,4).
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名校
【推荐2】椭圆曲线
是代数几何中一类重要的研究对象.已知椭圆曲线
,则
与
轴的交点个数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ ;若
,
与
轴交点的横坐标从小到大排列为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472de01f0f3341810d10356d23818c8a.png)
______ .(这里
,若
,则
;若
,则
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774fd0586382c7abc6f924cab186343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a23042aafa33d410aa68e417b99c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b880a04dc790edd18f1fe61caa655fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83590c4a7ea5636843dd4b60c67cb40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472de01f0f3341810d10356d23818c8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00efe075d3d187df2613113c37e8aaec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e167b43045b3297248e334c41c621b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6add34ccc6ad36b575fd7eb1f4e02f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd09fb9482124fd35f19b86894648f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f998e30a93b68469a296762c20a31248.png)
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