1 . (1)解不等式
;
(2)计算①
;
②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f9b279a85e786ac574caf38b14e5dd.png)
(2)计算①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd861c2f1d29b47ffce42f8546af6f23.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e172153ee891e94e9716d581866e996f.png)
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2 . (1)计算
.
(2)已知
,解关于
不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f466507474ebd6869b6cbfc54cc90cf5.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1da557e4c2beb847e7912df08d772c.png)
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解题方法
3 . 设
:实数
满足
:实数
满足
.
(1)若
,且
均为真命题,求实数
的取值范围;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3f70eff33a154f7dd0d5359a8eec2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f48778a6cd4d76643d24fd928b43603.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-06更新
|
189次组卷
|
2卷引用:江苏省连云港市灌云高级中学、灌南惠泽高级中学2023-2024学年高一上学期期中调研数学试卷
名校
4 . 当
时,不等式
恒成立,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4cf16e39bff4aa2d482c90411d5ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab793f89a4e764e926444c3493084ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 若集合
,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef041b2b884dc5d7e81dfd8bba81f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
6 . 求下列不等式的解集:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1892528a384cfbe6775135e64a24635.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0f05aa11db7400beb2e97ce82c605d.png)
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解题方法
7 . 如图,一份纸质宣传单的排版面积(矩形
)为
,它的左右两边留有宽为
的空白,上下两边留有宽为
的空白.
(1)若
,
,且该宣传单的面积不超过
,求
的取值范围;
(2)若
,
,当边
多长时,纸的用量最少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878e89b6eca35e34c863e832a2c661db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/19/bd64b179-34c5-4e4e-86ab-97548649ff62.png?resizew=136)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9040c9795e7132ebf65ede1f98c4d72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30f2ee280b93cdeb3bcbfa7af980fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe2f8f5549397cf1d1313f080ec15cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a4c76357f9b0a762a7d6961fb0367f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4562c90a951d1483ff88915511e1bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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解题方法
8 . 设函数
,其中
.
(1)若
,解关于
的不等式
;
(2)当
时,
的最大值记为
,最小值记为
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04605661d03d02f3035244f2d843d38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2135e91da55f6da3a557f66cc5bc88.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac6a2f7366e0190592444bb60d3cea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5dc99a0493caf8b65827518c965e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259af1c1d81f10a3408dc36c03e2f5a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54c5c754032c2c8190ff90fabbb78df.png)
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名校
9 . 已知关于
的不等式
的解集为
或
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5de69f06b38dae1fcc35fb97c377cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28cdbf4bef583116fc1cf3ce0ee09f58.png)
A.![]() |
B.不等式![]() ![]() |
C.不等式![]() ![]() ![]() |
D.![]() |
您最近一年使用:0次
2023-10-24更新
|
346次组卷
|
4卷引用:江苏省连云港市连云区连云港高级中学2023-2024学年高一上学期期中数学试题
名校
10 . 不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3210e6f292f6208e031a6369b55ab433.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-10-23更新
|
307次组卷
|
2卷引用:江苏省连云港市灌云高级中学、灌南惠泽高级中学2023-2024学年高一上学期期中调研数学试卷