名校
1 . 函数
在区间
上的极值点的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64120852614de7aac9d9b701c32e796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
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名校
2 . 设常数
,函数
,若函数
在
时有零点,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cabbb7bc9b33f71760e36723ff39d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a0eba02eda23fedfa46a42b91ce26a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d58567d3cb3137e68b7ff1671cd8433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
3 . 已知数列
,
(其中[x]表示不超过x的最大整数,n∈N且n≥1),
是关于x的方程
的实数根,记数列
的前n项和为
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b66648112041eb01069985250f49e7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2147cdb7c47327b9a8e3274df089aec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4260c446924ddcb2a646471d150fa70c.png)
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4 . 设函数
(a>1)的零点为x0,若x0≥3,则a的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39500824d329580adc2e76666206b80.png)
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解题方法
5 . 已知函数
在
上不单调,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494ce92d67b31364da9efccdfe3ed808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022高二·全国·专题练习
解题方法
6 . 设定义域为
的单调函数
,对任意的
,都有
,若
是方程
的一个解,且
,则实数a=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c2280548873478f18fe2a6ef81abc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a78607c8d66e37b2d160af5ce15edac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64222b97b4613a5896df11f394167868.png)
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7 . 函数
的零点所在的区间是
则整数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b7d1ec8e90889c32e157b389b7d5a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b6bec0e5c57dc0c97d2581012d2c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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8 . 设函数
,若
,则函数
有_____ 个零点;若函数
有且仅有两个零点,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51add4426e97628e51baffec6d7b2c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 定义方程
的实根
叫做函数
的“新驻点”,若函数
,
,
的“新驻点”分别为
,
,
,则
,
,
的大小关系为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35679c97cf16aa592343787a756c7c75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbdb1183d4e4359181e529bf8fc1cf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d89c293b2a43612f08d290746d0925a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e2072309b6f55870fc4dc90ed0c43c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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2022-07-07更新
|
476次组卷
|
3卷引用:广东省珠海市2021-2022学年高二下学期期末数学试题(A卷)
名校
10 . 若
,且
上的值域为
,则实数a的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5c78bc1283751441401e36ac41f7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7162c2174f52cd6e7c2eee61e805b6e.png)
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