1 . 已知命题
;命题
.
(1)若命题p是命题q的充分条件,求m的取值范围;
(2)当
时,已知
是假命题,
是真命题,求x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75ef9457a7340bbf2146692073f52f54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23af3885b5732df7c3c1ccb4622e4f83.png)
(1)若命题p是命题q的充分条件,求m的取值范围;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
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2020-03-04更新
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1131次组卷
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4卷引用:2020届湖南省永州市祁阳县高三上学期第二次模拟数学(理)试题
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2 . 已知函数
,其中
.
(1)若直线
为曲线
在(0,f(0))处的切线方程,求a,并求f(x)的单调区间;
(2)当
时,
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e8fff07bb015f5b2228f528dcb7fd94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42b2342a5ec3fc94ea85d1220a248324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce009e613618e32ad90e5af70d969df.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f417f76e2e7eb5231d8e90fb85c5b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b145f5e9a5f60962e8b1ffc9fdd771.png)
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3 . 已知F1、F2是椭圆C:
的左、右焦点,点
在椭圆C上,且满足
.
(1)求椭圆C的方程;
(2)直线l:
交椭圆C于A、B两点,线段AB的垂直平分线与x轴交于点M(t,0),求mt的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a625c499f51d7320ce4fecb49e76adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6561ccd98f467d8ef4e0ede701193f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8208f659b8e308607804a2ed1df0d81.png)
(1)求椭圆C的方程;
(2)直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2b856a8a13a8958f6043af99c56458.png)
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4 . 设D是圆O:x2+y2=16上的任意一点,m是过点D且与x轴垂直的直线,E是直线m与x轴的交点,点Q在直线m上,且满足2|EQ|
|ED|.当点D在圆O上运动时,记点Q的轨迹为曲线C.
(1)求曲线C的方程.
(2)已知点P(2,3),过F(2,0)的直线l交曲线C于A,B两点,交直线x=8于点M.判定直线PA,PM,PB的斜率是否依次构成等差数列?并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e589def3e7fe21b601bc6d5144073202.png)
(1)求曲线C的方程.
(2)已知点P(2,3),过F(2,0)的直线l交曲线C于A,B两点,交直线x=8于点M.判定直线PA,PM,PB的斜率是否依次构成等差数列?并说明理由.
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2019-05-07更新
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907次组卷
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10卷引用:【市级联考】湖南省湘潭市2019届高三下学期第二次模拟考试数学(文)试题
【市级联考】湖南省湘潭市2019届高三下学期第二次模拟考试数学(文)试题【市级联考】湖南省湘潭市2019届高三下学期第二次模拟考试数学(理)试题【市级联考】湖南省长沙市2019届高三下学期第二次模拟考试数学(理)试题【市级联考】湖南省长沙市2019届高三下学期第二次模拟考试数学(文)试题【市级联考】广西南宁市2019届高三毕业班第一次适应性测试数学(理科)试题【市级联考】广西南宁市2019届高三毕业班第一次适应性测试数学(文)试题【市级联考】辽宁省辽阳市2019届高三下学期一模数学(理科)试题2020年普通高等学校招生全国统一考试理科数学样卷(五)2020年普通高等学校招生全国统一考试 文科数学样卷(五)重庆市第十一中学2020届高三下学期6月月考数学(理)试题
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5 . 已知函数
.
(1)讨论函数
的单调性.
(2)若
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a84b4c8cc8a1b05184d630eadb4239.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
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2019-04-29更新
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7卷引用:【市级联考】湖南省郴州市2019届高三第三次质量检测数学(文)试题
【市级联考】湖南省郴州市2019届高三第三次质量检测数学(文)试题2019届湖南省长沙市雅礼中学高三下学期5月月考数学(文)试题2019届吉林省普通高三第三次联合模拟数学(文)试题(已下线)专题02 利用导数求函数的单调性(第六篇)-备战2020年高考数学大题精做之解答题题型全覆盖(已下线)必刷卷03-2021年高考数学(文)考前信息必刷卷(新课标卷)河南省许平汝联盟2021-2022学年高三下学期4月模拟考试文科数学试题河南省鹤壁市浚县第一中学2021-2022学年高三下学期4月考试文科数学试题
6 . 已知斜率为1的直线与抛物线
交于
两点,
中点的横坐标为2.
(1)求抛物线
的方程;
(2)设直线
交
轴于点
,交抛物线
于点
,
关于点
的对称点为
,连接
并延长交
于点
.除
以外,直线
与
是否有其它公共点?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc527e02f528dd780499e4c5ea427b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83042953e7f15e984b2da2ee9ca678d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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7 . 已知函数
.
(1)当
时,求证:
恒成立;
(2)若关于
的方程
至少有两个不相等的实数根,求实数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5768ce230120f50c9a3f629673dfa4cb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eebe7397ead9e7ecaf5507ac7097221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2018-12-17更新
|
816次组卷
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5卷引用:【省级联考】湖南省五市十校教研教改共同体2019届高三12月联考理科数学试题
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8 . 对称轴为坐标轴的椭圆
的焦点为
,
,
在
上.
(1)求椭圆
的方程;
(2)设不过原点
的直线
与椭圆
交于
,
两点,且直线
,
,
的斜率依次成等比数列,则当
的面积为
时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4a7482cb81b34df5a11807b8136a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cfc83cab6cd17842f28b9c37836673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed92cb7b41539a4411ec2c4faaf45b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设不过原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe2d61ca9fa991b524c7b90189d3019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45b8b000c9c286bff8a480dbf03b513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d02ae074c7c2f7dfde8058dfa55ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
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2018-12-17更新
|
741次组卷
|
6卷引用:【省级联考】湖南省五市十校教研教改共同体2019届高三12月联考理科数学试题
2018高三下·全国·专题练习
9 . 已知函数
.
(I)求函数
在
上的单调区间;
(II)证明:对于任意的
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e021be4ada2c6eba0bf5ce3a3a57f70.png)
(I)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef160888d2b0b663b0f0e4c672cefd4.png)
(II)证明:对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01142c04f98ccf1c671cf7d945a9f4a1.png)
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10 . 已知点
是抛物线
:
上一点,且
到
的焦点的距离为
.
(1)求抛物线
的方程;
(2)若
是
上一动点,且
不在直线
:
上,
交
于
,
两点,过
作直线垂直于
轴且交
于点
,过
作
的垂线,垂足为
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56657e94f0f4bb79d1f85801ec49036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b8d219f5b5cb95c670a0f3513d5ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638d949ddae8438aa43bac1ceb106597.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d84fc1ca77f996a8da44886abff8d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80077b4d538aa69f0329d5af02154b26.png)
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2018-05-14更新
|
709次组卷
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5卷引用:【全国市级联考】湖南省湘潭市2018届高三下学期第四次模拟考试数学(文)试题