1 . 已知集合A为非空数集.定义:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d0e7221341950bd4e1f93a803b9801.png)
(1)若集合
,直接写出集合S,T;
(2)若集合
且
.求证:
;
(3)若集合
记
为集合A中元素的个数,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d0e7221341950bd4e1f93a803b9801.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f0e502a03ff4b6a9f6fd29b8034992.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b5e47c9f736eabab184039643c34ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76ad1e03a6ba59e8164e37c5e7e063e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5a7e700e4c1d41bb3bb8be9f55580b.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa47f7e9136938b09be369fce567669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b5214a796412b3df9f716da0bf339b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b5214a796412b3df9f716da0bf339b.png)
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解题方法
2 . 已知函数
且
的图象过点
.
(1)求不等式
的解集;
(2)已知
,若存在
,使得不等式
对任意
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12291a5bb418dbfdc6e31c5ffc26acea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ac87c1bd6a7938e64651ac58d051bc.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4204cf940be2b578a056a7854db2a2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7905fd422e78a1d22ff6f11950bc5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbeda12757923af6302d15fe252b5681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc7b8e63ed05e5bc3a00281b86720cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0b1eb807465b9f7fe538d444703ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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4卷引用:河南省部分学校2023-2024学年高一上学期期末大联考数学试题
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3 . 已知函数
若
的图象上存在关于直线
对称的两个点,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/869be205b07f4d8483e7b3bc44611ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5卷引用:河南省部分学校2023-2024学年高一上学期期末大联考数学试题
解题方法
4 . 平原上两根电线杆间的电线有相似的曲线形态,这些曲线在数学上称为悬链线.悬链线在工程上有广泛的应用.在恰当的坐标系中,这类曲线的函数表达式可以为
,其中a、b为非零实数
(1)利用单调性定义证明:当
时,
在
上单调递增;
(2)若
为奇函数,函数
,
,探究是否存在实数a,使
的最小值为
? 若存在,求出a的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49757d6d62b9c313b11aafd537475845.png)
(1)利用单调性定义证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48adb8a59b5c02fad5eada1b35171cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853ccd6cea4dd5f3491b10ca21828574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7b531ca02bb032e63ab7df9ee9e068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
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5 . 已知函数
的值域为
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dca072b33a81f7e6883925eb5d145ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efcd49beee8e494406bf89147c35d134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3卷引用:海南省2023-2024学年高一上学期期末学业水平诊断数学试题(一)
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6 . 由知实数a,b满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5acd1467c10c7ff14caca53feea7a540.png)
A.ab的最大值为![]() |
B.![]() ![]() |
C.![]() |
D.当![]() ![]() ![]() |
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4卷引用:广东省华南师范大学附属中学2023-2024学年高一上学期期末数学试题
广东省华南师范大学附属中学2023-2024学年高一上学期期末数学试题四川省泸州市泸县第四中学2023-2024学年高一下学期开学考试数学试题(已下线)微考点1-1 新高考新试卷结构中不等式压轴4大考点总结(已下线)第04讲 基本不等式及其应用(十八大题型)(练习)-1
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7 . 如图,在
中,已知
,
,
是斜边
上任意一点(不含端点),沿直线
将
折成直二面角
,当
( )时,折叠后
、
两点间的距离最小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ca12f11f39405a6a49042c5e294862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知函数
,其中
.
(1)判断
的奇偶性(直接写出结论,不必说明理由);
(2)证明:当
时,
;
(3)若函数
有三个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b5a833ef31325cf5f23446913a6bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f3e28f1d7b948cb3ba19326ba3d916.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123d2a9d1c04f94c4219ad15f6d6fdd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257580424180da89114afc6d938effaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5d752d03fee47eb77ef74f07fb7a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b1d1430a6c33d418a163e1e60c41ca.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知定义在
上的偶函数
,当
时,
,若对任意
,总有
成立,对任意的
,
恒成立,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac87434324956e4145e38ad92a1aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c0ed46aeff6a3cbb956292c3ad0c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf521f6437c76c847872f1047664aa4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b4cd599990014f71ab8253199a917a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c305bb4b14da5250c26c2514ceb9507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2911056f8131dabb75f9072105c3075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/017598e0c22448b15c7f17f0f11ea8fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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四川省达州市普通高中2023-2024学年高一上学期期末监测数学试卷(已下线)模块四 专题6 重组综合练(四川)(北师版高一期中)辽宁省大连市第二十四中学2023-2024学年高一下学期5月期中数学试题(已下线)专题03y=Asin(ωx+φ)的综合性质期末8种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)