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1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e7f0fac55c251fb334c1a59ace3677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/397d59fbc14da221c834f1c4aa833296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知函数
,若有
个不相等的实数
、
、
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ab56cbe2ce76ff8dab68afe1a8f35e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](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/6637110325fc5bcb6337762aecf53d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-03-28更新
|
235次组卷
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2卷引用:贵州省黔东南苗族侗族自治州凯里市第一中学2021-2022学年高一下学期开学考试数学试题
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解题方法
3 . 已知
、
且
,则下列等式可能成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93fca6169efff518e203bc793ec6862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-03-28更新
|
162次组卷
|
2卷引用:贵州省黔东南苗族侗族自治州凯里市第一中学2021-2022学年高一下学期开学考试数学试题
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4 . 已知
,则下列不等式一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知函数
.
(1)若对
恒成立,求a的取值范围;
(2)若
,且
,对
恒成立,求k的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b77c22612ce4f80e6e42e5f6858e1d2.png)
(1)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc0cb265a2f2a5e5f04c0b2f497a850d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bef66f9ce450504bd1d1cd228219cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a37c8c680b962de2a8b14af86724c31.png)
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6 . 下列说法正确的是( )
A.若函数![]() ![]() |
B.函数![]() ![]() |
C.已知![]() ![]() ![]() ![]() |
D.不等式![]() ![]() |
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解题方法
7 . 已知函数
,则下列选项中正确的是___________ .
①若
,且
,则
;
②若函数
在
上恰有4个零点,则
的取值范围是
;
③存在
,使得函数
的图像向右平移
个单位长度后得到的图像关于y轴对称;
④若
在区间
上单调递增,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371f72cc89cac174d6170ae078f864ee.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4b8f430bc9c87dd4633b8aff127532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ede0bf435c65eea21237484db6e1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa42a91dab9659ab8eaa533a04d5e962.png)
③存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d146b35aafbdf1191e16672217cea74d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fee19fef930b81f2605c4642b6211c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f59a84526646f8d6f5fccb3796f654.png)
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8 . 已知函数
(
且
),且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032884e480bd61973d85ffd7084b0669.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8f537e5a67949afcac0822191139e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5424116bce9b0a2fd7d40d1bc643567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032884e480bd61973d85ffd7084b0669.png)
您最近一年使用:0次
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9 . 已知扇形
(如图所示),圆心角
,半径
,在弧
上取一点P,作扇形
的内接矩形
,记
,矩形
的面积为y.
(2)求矩形
面积的最大值,并求此时x的取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd33fd61545ef78df7bcde667baba30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adf8bccbc5113a6d8f85285c6dc28cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa340c9d5edd3e26e1fc8969029761c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc4eff53a75a14a675562e8e3bfc13f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa340c9d5edd3e26e1fc8969029761c.png)
(2)求矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa340c9d5edd3e26e1fc8969029761c.png)
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2022-03-28更新
|
1025次组卷
|
6卷引用:贵州省黔东南苗族侗族自治州凯里市第一中学2021-2022学年高一下学期开学考试数学试题
贵州省黔东南苗族侗族自治州凯里市第一中学2021-2022学年高一下学期开学考试数学试题(已下线)专题10 任意角与弧度制河南省许昌市鄢陵县职业教育中心(升学班)2022-2023学年高一下学期期中考试数学试题(已下线)专题24三角函数的应用-【倍速学习法】(人教A版2019必修第一册)江西省宜春市丰城市东煌学校2023-2024学年高一下学期6月月考数学试题(已下线)第04讲 简单的三角恒等变换 (精讲+精练)-2
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解题方法
10 . 已知集合
,
.
(1)若
,求a的取值范围;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb5110572c30ca3b7abda24c7a34dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc5af387a6cee440f72d479197a5bc1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
您最近一年使用:0次