1 . 已知函数
,则下列结论中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7444b2a67506a0b3bef129b6fc5a04f5.png)
A.![]() |
B.![]() |
C.![]() |
D.曲线![]() ![]() ![]() |
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解题方法
2 . 已知函数
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef88bf752cda4bb15e3205d4feccff89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9652e30dad4d1ea51c10b229a10252d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
3 . 已知函数
.
(1)讨论函数
的单调性,并求
的极值;
(2)若函数
有两个不同的零点
(
),证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23850449bcbf3d7707ae100788160e56.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6565de9282ca03fbc335b9eb7c7a6d9.png)
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4 . 若
,
,
,则a,b,c的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990762045d3749bb2c7d5ad7df7a9ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea438c80a2bcec328247227a61d0a50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90571ee901671e29601617b48e7631f4.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 已知函数
.
(1)求函数
的单调区间;
(2)若
,满足
.
(ⅰ)求
的取值范围;
(ⅱ)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712744afe565a9fa6d29d3dd12cedf3f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e71b7cc594da8081cc8599f6e2c529.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(ⅱ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b2a373bc2e3fc7fadfc551f06c3f4b.png)
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6 . 若函数
在
上无极值点,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/777f8687530d105ee1a01b0f219f77f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
7 . 已知函数
.
(1)当
时,曲线
与曲线
恰有一条公切线,
,求实数
与
的值;
(2)若函数
有两个极值点
且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394196c7ba56a513b45b045e2d7cb6af.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3333a1bf3a961a3b1a50d042f6860bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/682dcc172381f8d3f36e5c0c24e140be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6132cbd09b7af0c27fcf09bdc7e900f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19168a4eb13db773d09609a06b2cf08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 已知定义在
上的函数
的导函数为
,当
时,
,且
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eee4d63db52c0c79574aca655459163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241553167658572549705dda8cd7c207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e8d1ce6a495de248c4350915007bf8e.png)
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9 . 已知函数
.
(1)求
的最小值;
(2)设函数
,讨论
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffb296c54f3ac746d3a0c503f888126.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
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7日内更新
|
48次组卷
|
2卷引用:四川省绵阳市东辰学校2024届高三下学期模拟押题卷理科数学试题(一)
名校
10 . 已知函数
.
(1)讨论
的零点个数;
(2)若关于
的不等式
在
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33658ceec6e56b80c92d6a28701ba23c.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a200e289606bad1d646a29fa29b05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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