1 . (1)函数
的值域是_________ ;
(2)函数
的值域是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1c22d30aabaf7368ca95d764034a11.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2044a795cab7a283d4048e18e058e1.png)
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2 . 函数
,
的值域为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee738c779287f2b4926315c13c8f55b.png)
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3 . 集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48679853c443a50ede5c286ffe90fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
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4 . 定义在
上的函数
,当
时,
,且对任意的
满足
(常数
,则
在
上的最大值是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2267a76cdd8eb4b204ff3000dc51a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478be38c60b26a1d4381818759c539c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250ae6273f769c1749b61e3c063d4252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b6d2853ae57f4d2c3b5a0ac6fd4a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dabf81a137877044132c9f121c0a3bfc.png)
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解题方法
5 . 设实数
满足
,若
的取值范围是
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b0ba5c937b27a27b5ef5ab9e51a935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879234adbae93aa72b7e101b3738d4e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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6 . 命题
,命题
,若命题
是命题
的必要不充分条件,则实数
的取值范围是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691035deef551716af448fc4069bc4ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12695a2ee85be28b1a673712911d1ef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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21-22高一上·全国·单元测试
名校
7 . 函数
的值域为 __________________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189bc156001935c483971d8561cfa4ad.png)
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2023-01-08更新
|
1401次组卷
|
9卷引用:第二章 基本初等函数(Ⅰ)单元检测卷(B)-2021-2022学年高一数学上学期单元通关培优A+B训练卷(人教A版必修1)
(已下线)第二章 基本初等函数(Ⅰ)单元检测卷(B)-2021-2022学年高一数学上学期单元通关培优A+B训练卷(人教A版必修1)安徽省蚌埠第三中学2021-2022学年高一上学期10月月考数学试题广东省珠海市华中师范大学珠海附属中学2021-2022学年高一上学期12月月考数学试题湖北省十堰市城区普高协作体2021-2022学年高一上学期期中数学试题吉林省乾安县第七中学2021-2022学年高一上学期第一次质量检测数学试题2.3 求函数的值域-2021-2022学年高一数学北师大版2019必修第一册河北省唐县第一中学2023届高三上学期开学摸底数学试题天津市西青区杨柳青第一中学2022-2023学年高一上学期线上学习效果反馈数学试题(已下线)第09讲 函数的概念及其表示(1)-【暑假自学课】(人教A版2019必修第一册)
名校
解题方法
8 . 已知
是全集,集合
,集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c14b2d2ca4108e0957488e933bd4ad.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ecb015dadcbcc0682b9af217706cc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4b696fca92f0617dea4ed2813be2e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c14b2d2ca4108e0957488e933bd4ad.png)
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解题方法
9 . 一般地,如果函数
的定义域为
,值域也是
,则称函数
为“保域函数”,下列函数中是“保域函数”的有_________ .(填上所有正确答案的序号)
①
,
; ②
,
;
③
,
; ④
,
;
⑤
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19024088b481805fd372b7b2ffdd8e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928dc7b88802aa89c8f0071c66b3c628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3afa36d64d3fe306d08480a7845f28ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24aa16b780156e18f12baa2b8ee0f9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6190c7d27f739d39812e20e83af684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7973e7275ff254569d0abfb03cc5c875.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ccf41f4af0298c2f40e0d38a8ff682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
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10 . 已知集合A={x|y=
},若函数f(x)=-x,x∈A,则函数f(x)的值域是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62927faeeb69d20e36b046eab736dd52.png)
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2022-03-27更新
|
301次组卷
|
2卷引用:江苏省盐城市大丰区新丰中学2021-2022学年高一上学期期中数学试题