2023·全国·模拟预测
名校
1 . 已知函数
.
(1)当
时,讨论函数
的极值;
(2)若
有两个不同的极值点,求t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5171cfba52b0f4032c9f5ec3e8bead.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeb9a94e392f6759b18abed89aacc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4204c4077634dffaf35f25f6dbf30008.png)
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名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a209754e1cf8cb5ac5df1492a534bb.png)
(1)当
时,求
在
上的最小值;
(2)若
在
上存在零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a209754e1cf8cb5ac5df1492a534bb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2763b57a7399653fbded5264f0cee150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-11-29更新
|
721次组卷
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4卷引用:四川省南充市阆中中学校2024届高三一模数学(文)试题
四川省南充市阆中中学校2024届高三一模数学(文)试题江苏省常州市华罗庚中学2024届高三上学期12月阶段检测数学试题山东省菏泽市菏泽三中2024届高三上学期12月月考数学试题(已下线)专题07 函数与导数常考压轴解答题(练习)
3 . 已知函数
.
(1)试判断函数
的单调性;
(2)若
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ff40b0542c05f745638f2fb9ca7603.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ea68faa088f52d52bc689e669db966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-11-29更新
|
405次组卷
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2卷引用:四川省2024届高三下学期高考仿真模拟文科数学试卷(一)
4 . 设
,
,
(1)试讨论
的单调性;
(2)当
时,证明
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3dfa8a77c2946de4ea0ab9f3e9527b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f299f199d62e71675dd007ffb65424b.png)
(1)试讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f178c183462e21b4e159211243aee8b0.png)
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5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad35427927a55f4414cc10e6724c84b.png)
和
分别是函数
的极大值点和极小值点
(1)若
,求函数
的极值,并判断其零点个数;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad35427927a55f4414cc10e6724c84b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971905ea129aec0ca7c325f60260c7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd86badb20015aa65328fda1e43a117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac70ca6d43182ab15ec5b8f0ba5f215a.png)
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2023-11-29更新
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3卷引用:四川省遂宁市2024届高三上学期零诊考试数学(文科)试题
名校
6 . 已知函数
.
(1)当
时,求
的单调区间;
(2)设
,当
有两个极值点
,
时,总有
成立,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc64ef255eed148ba560aa5a4e5d0f1e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7866dee992a0ffedd046637b7b9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78cd4f6503e99281832744e80bce8928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/525567a8f3ec552dabc964f0b592d650.png)
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2023-11-28更新
|
347次组卷
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2卷引用:四川省攀枝花市2024届高三上学期第一次统一考试理科数学试题
7 . 已知函数
.
(1)若
有3个零点,求a的取值范围;
(2)若
,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3315173cad088fff5ebfe827b839ebee.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936654c9cbaf277ffaf95a248ad1443d.png)
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8 . 已知函数
.
(1)若
有
个零点,求
的取值范围;
(2)若
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1beefa98b49a8f907e87e401d6177.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec5792dbdc5ee1677ecd53435552272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936654c9cbaf277ffaf95a248ad1443d.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.
(1)若
在
上单调递减,求
的取值范围;
(2)若
有两个极值点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cd5cad03de96aa3d9d022ce36d434e.png)
(1)若
![](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/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](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/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b34154b8cb1212f7b36a696b91df1c9.png)
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2023-11-28更新
|
605次组卷
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4卷引用:四川省资阳市2024届高三第一次诊断性考试文科数学试题
解题方法
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca0b53e8e12331ddc3b1f17811deff2.png)
(1)求
的极值;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca0b53e8e12331ddc3b1f17811deff2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32786eb0d4bcd21e57b6da69c6fb568c.png)
您最近一年使用:0次