解题方法
1 . 设函数
.
(1)若函数
在定义域内单调递增,求
的取值范围;
(2)若不等式
恒成立,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b81201c3429d401ff1e14d34eb94075.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f0c35ddcf222558b2a6d1546128825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5354b073a1f30b5be23e4910613652.png)
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解题方法
2 . 已知函数
.
(1)求函数
的最小值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed74d3f0565cf8ac4e2ce48ce77cb3c7.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3bfdb715c6eb7d85aeae75a4afe9d26.png)
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3 . 已知圆锥的底面半径为1,母线长为2,若在该圆锥内部有一个与该圆锥共轴的圆柱,则这个圆柱的体积最大为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知函数
.
(1)设
的零点为
,求曲线
在点
处的切线方程;
(2)若不等式
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12ceb12cf78408ec59d65b485194359.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9c0002b13f6cae093cd9dc9f19941b.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5a63440aac525112f9f42ada434bba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c66d815378b39ae395dd50173c684bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3卷引用:贵州省遵义市2023届高三上学期第三次月考数学(文)试题
5 . 已知函数
.(参考数据:
)
(1)讨论函数
的单调性;
(2)若
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee5732e87ecfc08316cf6a946c8ed68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2162482d3b2c0690cf107d368058174a.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9afce1a34d33230f1750bbe382dd4e0.png)
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6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c207efd83d75c1f69237d97616c726.png)
.
(1)讨论函数
的单调性;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c207efd83d75c1f69237d97616c726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e5ff2705eb737adef9a6dc70559d79.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8621a85c7d3c351e21e9b32fe90675d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2卷引用:贵州省遵义市2023届高三上学期第一次统一考试数学(文)试题
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7 . 已知函数
在
处取得极值2.
(1)求
的值;
(2)若方程
有三个相异实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2b678c49af9075af7b51891394f797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f0ab17df4c09a0443e6a4633041cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d00d64b2ace0c059b256161c3c4c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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5卷引用:贵州省遵义市2023届高三上学期第一次统一考试数学(文)试题
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8 . 已知
.
(1)求函数
的单调区间;
(2)若函数
有两个零点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233aa8bb190d5535f84eade0cfbc6b95.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786999ff39b91fac93044fb70679be5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112293429caa01e7670ebcaf5bf95de.png)
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2022-08-22更新
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2卷引用:贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(文)试题
9 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233aa8bb190d5535f84eade0cfbc6b95.png)
(1)若
,
,
,请比较a,b,c的大小;
(2)若函数
有两个零点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233aa8bb190d5535f84eade0cfbc6b95.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822ccdf28e62c595d1f0337b18d70266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba48368ed6dd4b0f6d49b30113de0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a90f10037c5230d4281abb93c9179e4.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786999ff39b91fac93044fb70679be5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b67a008cbc20e42a317acfd632a8052.png)
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2卷引用:贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(理)试题
10 . 已知函数
,
.
(1)当
时,求函数
的单调区间;
(2)若
有且仅有两个不相等实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcea74d330997ee9c92a223c0335851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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