名校
解题方法
1 . 有下列命题:
①不等式
的解集为
;
②对于实数
,
,
,若
,则
;
③对于实数
,
,
,若
,则
;
④若
,函数
的最小值是
;
⑤当
时,不等式
恒成立,则
的取值范围
;
其中真命题的序号为__ .
(把所有正确答案的序号填写在横线上)
①不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5d21732d8a22de752d615b46867f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee57417245352ff37564703524651589.png)
②对于实数
![](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/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
③对于实数
![](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/5842f47b99932df68efbb64eb847e956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411100df59e7a9dc8d4ad77d497b6fa9.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647e17f9be50dcaba45fa6b15d5d982a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
⑤当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e38f9e9352a21f83b2c1e8f15f95593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
其中真命题的序号为
(把所有正确答案的序号填写在横线上)
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名校
解题方法
2 . 下列函数中,哪些函数既是奇函数又是增函数____________ (填写序号)
①
;②
;③
;④
;⑤
;⑥
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec205dd821e251510f265bd53cf62526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942652802fa2731cbdc86a55de1bc069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b87e78256e9afeb56ef82106e9d895.png)
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解题方法
3 . 关于函数
有下列结论:
①其表达式可写成
;
②曲线
关于直线
对称;
③
在区间
上单调递增;
④
,使得
恒成立.
其中正确的是______ (填写正确的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed3a1f2b27fc7fded1698a074ad2443.png)
①其表达式可写成
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08622e70d28b4680a740e17cb24808bd.png)
②曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2133a8576a013055f8fab50f52c215.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04f5684d862b1be1f8883838fa93b37.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eacab45a29f6da70b74e46234938f1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91c55995504f37019324e89ec21acc76.png)
其中正确的是
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3卷引用:天津市滨海新区塘沽紫云中学2024届高三上学期期末模拟数学试题(六)
4 . 函数
在区间
上的单调性是______ .(填写“单调递增”或“单调递减”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b13989845b4476997ec735fc8ea4524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
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2卷引用:天津市河北区2021-2022学年高一上学期期末数学试题
名校
解题方法
5 . 给出下列命题:
①存在实数
,使
;
②函数
是偶函数;
③若
是第一象限角,且
,则
;
④
是函数
的一条对称轴方程.
以上命题是真命题的是_______ (填写序号)
①存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f14d62e7aedb5f323de737281cd901.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0782208455d7652cce672ec088b1a447.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116a4f1c8b51d1993e6d7c054e2ed5d7.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e60b49815c5c25b48e6c74d7077851a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b4e0f8f88a09d1a14465c8c8b07172.png)
以上命题是真命题的是
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2卷引用:天津市红桥区2018-2019学年高一上学期期末数学试题
6 . 下列命题中为真命题的是________ .(填写序号)
①若
,则
;②若
,则
;③若
且
,则
;④若
且
.则
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2ca67148f90890830b769c6a92c0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7859a7c3904dc2985f4776fa63f9fea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8201ff29a2091d40eee10db6bbc1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed37ee7432002cd0e0978b2012e184.png)
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2卷引用:天津市河北区2021-2022学年高一上学期期中数学试题
7 . 已知两个函数
和
的定义域和值域都是{1,2,3},其定义如下表:
填写后面表格,其三个数依次为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
1 | 2 | 3 | |
2 | 3 | 1 |
1 | 2 | 3 | |
1 | 3 | 2 |
1 | 2 | 3 | |
填写后面表格,其三个数依次为( )
A.1,2,3 | B.3,1,2 | C.3,2,1 | D.2,3,1 |
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8 . 下列命题:①设A,B为两个集合,则“
”是“
”的充分不必要条件;②
,
;③“
”是“
”的充要条件;④
,代数式
的值都是质数.其中的真命题是________ .(填写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eac3ba2858adffcd1f8052cd795269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64713e05157d31d2fb54e3875a1f87a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93c0412463cd2cacd401f61d10e2d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a252bcc22540b44485125d23e04f93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f99a78f0c009e143c7fd5465b3d8fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aedd75663c317a11fc7031681114752.png)
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名校
9 . 实数
,且
,则下列不等式正确的是______ .(仅填写正确不等式的序号)
①
;②
;③
;④
;⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb54b1b3617ebc502cb44194cbcd1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0cee165c7a747253e69ab1a6e6a7076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca37933cf74f93e7748dfd060b12127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa4b46e83d1879329257896c3795c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48940098c4fad7f31422563c3ef44675.png)
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5卷引用:天津市天津中学2023-2024学年高一上学期第一次月考数学试题
天津市天津中学2023-2024学年高一上学期第一次月考数学试题湖北省武汉市华师一附中2019-2020学年高一下学期期中数学试题青海省海东市第二中学2019-2020学年高一下学期期中考试数学试题(已下线)第2章 一元二次函数、方程与不等式(二)-2020-2021学年高一数学必修第一册单元提优卷(人教A版(2019))陕西省西安市雁塔区第二中学2023-2024学年高一上学期第一阶段检测数学试题
名校
10 . 对于实数
,有下列命题:①若
,则
;②若
,则
;③若
,则
;④若
,则
;⑤若
,
则
,其中真命题为(填写序号)______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13c960fa57440fcabc5b2cc086ccc64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2ca67148f90890830b769c6a92c0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5842f47b99932df68efbb64eb847e956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84190b06a0471df3799913007e72e064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8201ff29a2091d40eee10db6bbc1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
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