14-15高二上·江苏徐州·期中
1 . 设
命题
.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7417503cc66631eacc05fcef119c6a.png)
(2)若命题
是命题
的一个必要不充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7ad52e33a1e486aa3ea73a09698d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4832a1611f1a8420ba625d17c0bdee36.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7417503cc66631eacc05fcef119c6a.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 已知下列命题:
①在某项测量中,测量结果
服从正态分布
,若
在
内取值范围概率为
,则
在
内取值的概率为
;
②若
,
为实数,则“
”是“
”的充分而不必要条件;
③已知命题
,
,则
是:
,
;
④
中,“角
,
,
成等差数列”是“
”的充分不必要条件;其中,所有真命题的个数是
①在某项测量中,测量结果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833ca3490b9389617a2cd4f51d07eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29be23f689eb01e57963495377501257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66577f4cb97c0d2a213ab1a9a02d1324.png)
②若
![](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/98a4e7d0f505a532e4c89cbb7c734c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c257cdac5fe3f4136e9f329e62f2db9d.png)
③已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f02c864f2209da4a0c28bf7609d1bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04422e908e09c01e9e37cbbd84c16ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34a1cd162eae4dad33336b3b4329155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eceb820f88982531f74bba8b3aef767d.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/b794fbafb7105576ac3f483b02027392.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知函数
.
(Ⅰ)若曲线
在点
处的切线与直线
垂直,求实数
的取值;
(Ⅱ)求函数
的单调区间;
(Ⅲ)记
.当
时,函数
在区间
上有两个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/718a9d94385f8081a7e1d797433b70d2.png)
(Ⅰ)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f6ed76662695d4c711be57a16c3197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0cd46f83439cc8feb3ad3b2dd1c77e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(Ⅲ)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832b4fa4e8546fad85c9542e00ae0e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ed4fbed364591fd8a3e9ff85ba727a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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名校
4 . 因客流量临时增大,某鞋店拟用一个高为50
(即
)的平面镜自制一个竖直摆放的简易鞋镜,根据经验:一般顾客
的眼睛
到地面的距离为
(
)在区间
内,设支架
高为
(
)
,
,顾客可视的镜像范围为
(如图所示),记
的长度为
(
).
(I)当
时,试求
关于
的函数关系式和
的最大值;
(II)当顾客的鞋
在镜中的像
满足不等关系
(不计鞋长)时,称顾客可在镜中看到自己的鞋,若使一般顾客都能在镜中看到自己的鞋,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97153bc3d02dfb38ee046487a8037a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a94a322ef270845160bb24273b89ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97153bc3d02dfb38ee046487a8037a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645b53ffa75fec10ba9d026fb64b158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122a77f2f9701a7d7e91fcc07b72f04a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97153bc3d02dfb38ee046487a8037a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1f7e4596444299c55ee656d206d77b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb94ba2cc50c0d8f1bee95fe293dc33.png)
(I)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0899da7e9ecd86fece42c557a9cfd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(II)当顾客的鞋
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7016a9522714f83b365878a73c0cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://img.xkw.com/dksih/QBM/2018/8/15/2011190606716928/2013107270385664/STEM/fb2dec787ea64468bfd71dc0fcff538c.png?resizew=190)
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2018-08-18更新
|
482次组卷
|
3卷引用:【全国百强校】江苏省清江中学2018届高三学情调研考试数学试题
5 . 若对圆
上任意一点
,
的取值与
无关,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a449b456c9e408875070ed288de627e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e969f1c633f8879f3305646813c88a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88198bb1d2cf3ca8ddf35f2cee241574.png)
(1)当
时,求满足
的
的取值:
(2)若函数
是定义在
上的奇函数
①存在
,不等式
有解,求
的取值范围;
②若函数
满足
,若对任意
,不等式
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88198bb1d2cf3ca8ddf35f2cee241574.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48adb8a59b5c02fad5eada1b35171cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc4e3775c850f1c1804f9eb7a70153a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
①存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a03076799ac16754be4ba90a917b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb38d2e1d0df8db143195177d9938d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9089c8cac6d8349cf2974bc387494e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2018-06-25更新
|
1176次组卷
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5卷引用:2017届江苏南通市如东县等高三10月联考数学试卷
名校
解题方法
7 . 已知平行四边形
内接于椭圆
,且
,
斜率之积的范围为
,则椭圆
离心率的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00cd04fab011e0956e347264ef4bf5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50c111326fb53c1e7fc802c5618211c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-03-19更新
|
4101次组卷
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6卷引用:百校联盟2018届TOP202018届高三三月联考(全国II卷)文科数学试题
百校联盟2018届TOP202018届高三三月联考(全国II卷)文科数学试题河北省曲阳县第一高级中学2020-2021学年高二上学期第一次月考数学试题吉林省吉林市吉林第一中学2020-2021学年高二上学期阶段性考试数学试题(已下线)专题9-1 圆锥小题压轴九类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)(已下线)专题11 圆锥曲线第三定义与点差法 微点1 圆锥曲线第三定义的应用(已下线)第八章 解析几何 专题9 圆锥曲线第三定义的应用 高中数学优质试题一题多解和变式训练
名校
8 . 设函数
.
(Ⅰ)当
,
时,
恒成立,求
的范围;
(Ⅱ)若
在
处的切线为
,且方程
恰有两解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2176c736b4d248fd2d294f53c503064d.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916c6d3fb2fdc67421489f207c93903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baabfd32465e9e50409413d9c1358279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbe8a8b9b9e35d9c679dfd1aca0b995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2018-03-08更新
|
980次组卷
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9卷引用:河南省豫南九校2018届高三下学期第一次联考试题文科数学
河南省豫南九校2018届高三下学期第一次联考试题文科数学河南省豫南九校2018届高三下学期第一次联考文数试题(已下线)2018高三二轮复习之测试专项【新课标版理科数学】 方法二 换元法(已下线)2018高三二轮复习之测试专项【新课标版文科数学】 方法二 换元法(已下线)2018年高考数学备考中等生百日捷进提升系列(综合提升篇) 专题06 导数解答题【全国百强校】湖南省岳阳市第一中学2019届高三上学期第二次质检数学(文)试题2020届山东师范大学附属中学高三第三次月考数学试题(已下线)专题4.4 导数的综合应用(精练)-2021年新高考数学一轮复习学与练吉林省长春市第二中学2023-2024学年高三上学期第二次调研测试数学试题
名校
解题方法
9 . 已知
,
.
(1)若
在
恒成立,求
的取值范围;
(2)若
有两个极值点
,
,求a的范围并证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c445de35c98b0dc933c61cb37c653d55.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be2a67fd62d86e96550058e2d888fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1215d01764a3b041d2f4497806da95d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac4134df42987a1cbdc9b1ff1d1a83d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2b796bf1498dd33af327ba1d5aa4ad.png)
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2018-03-21更新
|
716次组卷
|
4卷引用:四川省成都市石室中学高2018届高三下期二诊模拟考试数学文试卷
名校
10 . 已知函数
,方程
有四个不同的根,记最大的根的所有取值为集合
,若函数
有零点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eda6867cd33fb01096d3eb647b9872e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577ae7344fd256ae4c8034a4c5fc83fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0fa83beb691e720850f125a316bbd9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a30716cb2f4a59f903212724a19fee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-09-02更新
|
497次组卷
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5卷引用:四川省广元市高2018届高三第二次高考适应性统考文科数学试题
四川省广元市高2018届高三第二次高考适应性统考文科数学试题四川省广元市2018届高三第二次高考适应性统考理科数学试题(已下线)2019年一轮复习讲练测【新课标版理】2.1 函数及其表示(测)(已下线)2019届神州智达高三诊断性大联考(二)文数试卷(质检卷II)江西省宜春市丰城中学2024届高三上学期12月段考数学试题