名校
解题方法
1 . 已知函数
为奇函数.
(1)求实数
的值;
(2)求关于
的不等式
的解集;
(3)设函数
,若对任意的
,总存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18427b4e912bb1037378e3d8a49ce41d.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea998345984b6d1bbffa1e667365ed6.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75fefc4e600a5331b9c34f4bf569d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8a22408b9f93493f54bd6a94b57d9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c58890dbb803accb289676f61d0c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3bb43da17137e6c50874a8086df278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-25更新
|
517次组卷
|
2卷引用:天津市重点校联考2023-2024学年高一上学期期末考试数学试卷
名校
2 . (1)若关于x的不等式
的解集为
求关于x的不等式
的解集.
(2)已知
,其中m∈R.
①写出命题p与q对应不等式的解集;
②当m>0时.若
是
的必要不充分条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52165f6731ee699d7eed41d083932a31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9decfadc29c8c8d5805cdb1007dc455a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709520faa0521cde37cc0cece5af05bc.png)
①写出命题p与q对应不等式的解集;
②当m>0时.若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
2020-10-15更新
|
543次组卷
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2卷引用:天津市第二十五中学2020-2021学年高一上学期10月第一次月考试题
名校
3 . 下列四种说法:
①命题“
,
”的否定是“
,
”;
②若不等式
的解集为
,则不等式
的解集为
;
③对于
,
恒成立,则实数a的取值范围是
;
④已知p:
,q:
(
),若p是q的充分不必要条件,则实数a的取值范围是
正确的有________ .
①命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41c486c819a815163907c8e130a0e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2bdaf878a32b5aafe31efb5a53d66c.png)
②若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31a236a2101c170576f3c8f8e2edc1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a21f6fe16da2d969c2e3e8a451c84a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396205b0a9bc291c98ff7c9869a49917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ffdec637a03dfab3ebf53559d9b30b.png)
③对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66240b6fde17c6aa36e745cb7fff5fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8c8fd3bdee0551dd6048a131f9eeb7.png)
④已知p:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f62d654e168aeda48c2b8c7b3b0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c49604b085c2ff679d2f0421cc7f821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54209e68b27ab4c59f51aa1e6f3d6fd.png)
正确的有
您最近一年使用:0次
2020-04-08更新
|
2520次组卷
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7卷引用:天津市南开区南大奥宇培训学校2020-2021学年高二上学期第一次月考数学试题
天津市南开区南大奥宇培训学校2020-2021学年高二上学期第一次月考数学试题天津市西青区杨柳青第一中学2022-2023学年高一上学期第一次月考数学试题山东省潍坊新高考质量测评联盟2018-2019学年高二3月联考数学试题江西省南昌市第二中学2019-2020学年高二下学期期末考试数学(理)试题江西省上高二中2021届高三上学期第一次月考数学(理)试题(已下线)第03讲 全称量词命题与存在量词命题(教师版)-【帮课堂】2021-2022学年高一数学同步精品讲义(苏教版2019必修第一册)湖北省十堰市郧阳中学2022-2023学年高一上学期10月考试数学试题
名校
4 . 已知
,使等式
成立的实数
的取值集合为
,不等式
的解集为
,若
是
的必要条件,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6861caea21e3d245f5f356aab740b48e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6df730bcff4bcda7f3e5178a8641a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb6d048e00356c2f9ca7297c52a7904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca06304795e9c2c1fd0b4a52eb8d5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-01-08更新
|
313次组卷
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2卷引用:天津市滨海新区滨海新区汉沽第一中学2019-2020学年高二上学期期末数学试题
名校
5 . 以下命题正确的个数是
①“
”是“
”的充分不必要条件
②命题“
”的否定是“
”
③如果关于
的不等式
的解集不是空集,则
的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
④命题“在
中,若
,则
”的逆命题为假命题
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b25291ebe5baa53127e0a50e454488.png)
②命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc3308990379e057183369b6c54a233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27010286f7cc85b402cf2791b7df37d2.png)
③如果关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b28f8a204c61ca2634aac8fe2a6867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
④命题“在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dc38d888741a1b2e95fe0773a48c38.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
6 . 命题p:关于x的不等式
的解集是空集,命题q:已知二次函数
满足
,且当
时,最大值是2,若命题 “p且q”是假,“p或q”是真,求实数a的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/9/21/1573035383857152/1573035389902848/STEM/f634b7ed7d764d7d9061eee6671999fb.png)
![](https://img.xkw.com/dksih/QBM/2016/9/21/1573035383857152/1573035389902848/STEM/e454e9af93f548babafcb4396eab8cf7.png)
![](https://img.xkw.com/dksih/QBM/2016/9/21/1573035383857152/1573035389902848/STEM/35a5de4884094ee597f9cb8cd026d37c.png)
![](https://img.xkw.com/dksih/QBM/2016/9/21/1573035383857152/1573035389902848/STEM/5b9a8b43e613416caa0fce3b4ab0029e.png)
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13-14高三下·天津·阶段练习
解题方法
7 . 如果命题“关于
的不等式
的解集是空集”是假命题,则实数
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61901f0c23f1994acb34bd8c0c793e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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