1 . 已知复数
,则复数
的实部为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5800efe399ca4dbeccb5a4f4df296114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2235479acd40144588fcee4f8719655.png)
A.![]() | B.![]() | C.1 | D.![]() |
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2卷引用:四川省乐山市2024届高三第一次调研考试数学(理)试题
2 . 在直角坐标系
中,已知圆
的参数方程为
(
为参数),以坐标原点为极点,
轴正半轴为极轴建立极坐标系.
(1)求
的极坐标方程;
(2)若直线
的极坐标方程为
,设
与
的交点为
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7abb074ba573401999cba9bb82f3520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02dc5dafb7fc0c3726052c5f399cb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4303d39b1ef204190e9a6b4cd2dd5e8f.png)
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3 . 已知函数
(其中
,
)在
时取最大值,两条对称轴之间的最小距离为
,则直线
:
与曲线
的交点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a1b51fc74390c262bc0bcaeb20369c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c9e46448bc791c441ca02d8f4508eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5894e298a9ad3b90e98bb71113ebe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
A.1 | B.2 | C.3 | D.4 |
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2卷引用:四川省乐山市2024届高三第一次调研考试数学(理)试题
解题方法
4 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac1d71ab274c0766bcfd60c50d6e267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd3761051acf727686f615d7f1379795.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:四川省乐山市2024届高三第一次调研考试数学(理)试题
5 . 已知函数
,
,其中实数
.
(1)求
在
上的单调区间和极值;
(2)若方程
有两个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e349f49908801a73999320f7a49820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c773633c5cfdccc24ee6388dc11b88e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abf906e9c6ecf603de9b41098a1c0e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaeaa6bb42e960bc4c86303277caf49d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知四边形
内接于圆
,
,
,
.
(1)若
,求
中
边上的高;
(2)求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88c44f558705de3bcefcfc0ece96b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01dcc9341f0c7b85b283aa974862aa22.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8878eae05fba3ac75d733695959af67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(2)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解题方法
7 . 已知函数
与其导函数为
定义域均为
,且
满足
,
,
,给出以下四个命题:
①
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e298fe246eef819dd9b1edabe3bb9cb.png)
③函数
的图象关于直线
对称 ④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf0d337b876fee3527d1f58d062f6505.png)
其中正确命题的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf116ecbdb894c1d05d5b3b5203c10a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0082b730e39498e7bc4ae201c0282128.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae17aeafc0a40b66bf6f65db99c237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e298fe246eef819dd9b1edabe3bb9cb.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829a2e637d559bfae29c1d30c2b50d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf0d337b876fee3527d1f58d062f6505.png)
其中正确命题的个数是( )
A.0 | B.1 | C.2 | D.3 |
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8 . 函数
的图象大致为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edea950a535a8854b9e43a0162fa098f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3卷引用:四川省乐山市2024届高三第一次调研考试数学(理)试题
解题方法
9 . 已知
,
.
(1)若曲线
与直线
围成的图形面积为
,求
的值;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9824399d8c080597dbcd46984b3448e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c67ddd60c47e91783929c8bdf8ba8.png)
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2卷引用:四川省乐山市2024届高三第一次调研考试数学(理)试题
解题方法
10 . 地处长江上游的四川省乐山市,多年来始终树立上游意识,落实上游责任,不断提升水环境治理体系和治理能力现代化水平,为守护好这一江清水作出乐山贡献(摘自:人民网四川频道).为了解过滤净化原理,某中学科创实践小组的学生自制多层式分级过滤器,用于将含有沙石的大渡河河水进行净化.假设经过每一层过滤可以过滤掉五分之一的沙石杂质,若要使净化后河水中沙石杂质含量不超过最初的三分之一,则最少要经过多少层的过滤?( )(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5869279eabecd2e4e6d5e050d1928151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4191454bebd60d62113ffd5560f121.png)
A.7 | B.6 | C.5 | D.4 |
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