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1 . 已知集合
,
,若
中有2个元素,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3423f4eca84d05a949e0df80da99aeff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c90eb9f65e9e5b2ed49244e0b51d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 若
,则化简
的结果是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26abe98a9dd5a4678bfad9f3b4e6a1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61e42008519844d968b4e031d0dcaa7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:2024届河南省名校联盟考前模拟大联考三模数学试题
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f743bd3474bea3e10c9205970d7f934.png)
(1)若
恒成立,求a的值;
(2)若
有两个不同的零点
,且
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f743bd3474bea3e10c9205970d7f934.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c66ed9ac7c9b79a030abf86895ccdb.png)
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4 . 已知函数
.
(1)求证:
;
(2)若
是
的两个相异零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba20f73926fa882b592848c085f060f.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93296bd064e2c6ae84bc4fe7b22f1e4b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bd625540579bf15a6465a2224c9d61.png)
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5 . 已知函数
.
(1)求
的极大值;
(2)若
,求
在区间
上的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073a7bdf1d247d71151a32d5e1f6d824.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa92733c5fc38c5496eb3bbc3409fcf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746afb7885b9137a2df5b169acfa0fef.png)
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6 . 函数
的图象在
处的切线为
.
(1)求
的值;
(2)求
在
上零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ffb145f8ecfbf55b4a132d8e08baf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3387dc60a3712cea80c54b59ce8fa09a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
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7 . 已知函数
,
.
(1)试比较
与
的大小;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc1b193aa193153eb402df8560778e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da03d776579dde13f36c82b72d21c735.png)
(1)试比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9edd5fb06678dd2cd97d38907b64049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 已知函数
.
(1)讨论
的单调性;
(2)
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33a528e46c7a1abf32635b8bc67bcd9.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ccb692a97ea01b9847bb3401f8a6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6bfacfdb31f83a264ecb79589b16e39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知函数
.
(1)如果
,求曲线
在
处的切线方程;
(2)如果对于任意的
都有
且
,求实数
满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94136a5fcb9f6d52342f1a572c3d5b54.png)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba0cdede7f0a093df20271a6d2ea53c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d02059613da3797ae406925b6ee5b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c3319647314c3b6d82958a909acd2a.png)
(2)如果对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4138f6987cd2ee9e56b2ac80e84f9e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17af43cc460a6a7010d51a0c9403d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024届河南省名校联盟考前模拟大联考三模数学试题河南省濮阳市2024届高三第三次模拟考试数学试题陕西省西安市第一中学2023-2024学年高三下学期高考考前模拟考试理科数学试题(已下线)重难点突破05 利用导数研究恒(能)成立问题(十一大题型)-2
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10 . 已知非空集合
,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6685a624c8db01d04c7d6cb8367b762b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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