解题方法
1 . 已知函数
的图象与
轴交于点
,且在
处的切线方程为
,记
.(参考数据:
).
(1)求
的解析式;
(2)求
的单调区间和最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc05f752a777614011647451889874cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a87dbf8a0849b60206932ca8e8401af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2b2f10a84d9700f906e4f8f74b0817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7843538ce5376655b5d4f269798af5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
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名校
解题方法
2 . 设三角形
的内角
、
、
的对边分别为
、
、
且
.
(1)求角
的大小;
(2)若
,
边上的高为
,求三角形
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4c063aac670436c489e3c3b4c25528.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/961249a525ee4bb4d967a7055818ce25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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7日内更新
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2卷引用:山东省青岛市2024届高三第三次适应性检测数学试题
名校
3 . 某体育学校为储备人才,准备通过测试(按照测试成绩高分优先录取的原则)录用学生300人,其中测试成绩前100名的学生为第一梯队,剩余的200名学生为第二梯队.实际报名学生为1000人,测试满分为100分.测试后,对学生的测试成绩进行了抽样分析,得到如图所示的频率分布直方图.
(2)试估计该学校本次测试的录取分数,并判断测试成绩为88分的学生甲能否被录取?若能被录取,能否进入第一梯队?
(2)试估计该学校本次测试的录取分数,并判断测试成绩为88分的学生甲能否被录取?若能被录取,能否进入第一梯队?
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解题方法
4 . 如图,在直三棱柱
中,M,N分别为棱AB,
的中点,
为等腰直角三角形,且
.
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9358885de4681bb97ea4f8b44a8b273b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1be642ddd61c3ad26bcbe2dc42e3512.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e06947327f4c41340b8713e8a6b4c87.png)
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5 . 随着牡丹花期结束,曹州牡丹园为了更好地了解游客需求,优化自身服务,提高游客满意度,随机对200位游客进行了满意度调查,其中100位男性中有86位满意;100位女性中有94位满意:
(1)根据小概率值
的独立性检验,能否推断游客对该牡丹园的满意度与性别有关;
(2)若用频率估计概率,从该牡丹园的游客中随机选取3人,设3人中满意的人数为X,求X的分布列和数学期望.
附:
,
.
(1)根据小概率值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0298d106f2b72aadf3cffce041a25da6.png)
(2)若用频率估计概率,从该牡丹园的游客中随机选取3人,设3人中满意的人数为X,求X的分布列和数学期望.
附:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2187714e660234f0b72f2b47d3ea685a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356b05e46b10ee51c3e43546d73ec96c.png)
0.1 | 0.05 | 0.01 | |
2.706 | 3.841 | 6.635 |
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6 . 如图,在直三棱柱
中,
为棱
上一点,且
.
平面
;
(2)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5599076c9b6080d27cbd77f3b09721e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c7c9b452fba2c98370cd2cf692aceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e168d7f1f1a0d260af3c8ca404c2f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a7841fca64062a1f2112de9e696921.png)
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解题方法
7 . 已知
是二次函数,且
.
(1)求
的解析式;
(2)若
,求函数
的最小值和最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f57bd1578f858a537a87fccacd92c54.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e071a0b6202702e11ef27d448b11f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
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8 . 如图,在正三棱柱
中,
为
中点,点
在棱
上,
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c884b508394b3ab50734b584d9ec783c.png)
平面
;
(2)求锐二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6d5a03b9a6918e8742a11a76aa4d07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188e3f2275a92e2f4060d5a701bcb7f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c884b508394b3ab50734b584d9ec783c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b887e16b95c673579030aadb147f930.png)
(2)求锐二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c6b7921e70f73c845140f9428ed2af6.png)
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2024-05-09更新
|
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5卷引用:山东省淄博实验中学2024届高三下学期第三次模拟考试数学试题
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9 . 已知函数
,曲线
在点
处的切线方程为
.
(1)求实数a,b的值;
(2)求
的单调区间和极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971d5c644f6f8e310890ffa0c37c7951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9504f16ee5a91694845104889ca04834.png)
(1)求实数a,b的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-05-07更新
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1477次组卷
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2卷引用:2024届山东省潍坊市二模数学试题
名校
解题方法
10 . 如图,在四棱锥
中,底面
是边长为2的菱形,
是侧棱
的中点,侧面
为正三角形,侧面
底面
.
的体积;
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead1b8e1e9c797ca129b65a9e4ef55e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d90f940f5693b22ddf2e7c761887d8.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
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2024-04-26更新
|
1911次组卷
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3卷引用:山东省日照市五莲县第一中学2024届高考模拟预测(一)数学试题