1 . 小颖同学在学习探究活动中,定义了一种运等“
”:对于任意实数a,b,都有
,通过研究发现新运算满足交换律:
.小颖提出了两个猜想:
,
,
,①
;②
.
(1)请你任选其中一个猜想,判断其正确与否,若正确,进行证明;若错误,请说明理由;(注:两个猜想都判断、证明或说明理由,仅按第一解答给分)
(2)设
且
,
,当
时,若函数
在区间
上的值域为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4235fe8a6cf0446dbf476822b6dbbce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7ff4ffa27279dbf509cfb852446813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6593a700bf3e89107556454666b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/525c1a68848e95e6b419e0bbec3c0957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b648347b0e5ed2bdc821dc7cf50d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8d87094a7c50f062fa23902cd23c20.png)
(1)请你任选其中一个猜想,判断其正确与否,若正确,进行证明;若错误,请说明理由;(注:两个猜想都判断、证明或说明理由,仅按第一解答给分)
(2)设
![](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/9d386474416a278ca29be6075fa076d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49910fc853928999a0acbcc67f4c295c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733c4ee92975bec9a52b9b2d544d790f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a964eadb835069b591f479b7c67e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023·全国·模拟预测
2 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f614ba6a18bb31c6c2fa18974f37c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867fa9c7950608ccd2a6f91609b75230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd28bdd745a5bc573994f520f87f1b47.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd92eaf84662e76440dee64a3f432c1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fefaae8824438cec10b0f8486a40d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d34851b48052a14668f54ff921a0d59.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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(已下线)专题2-2 幂指对三角函数比大小归类-2四川省遂宁市2024届高三上学期零诊考试数学(理科)试题(已下线)专题3 指对幂比较大小【练】模块3 变量关系篇(函数) 高三清北学霸150分晋级必备重庆市北碚区缙云教育联盟2024届高考零诊数学试题
4 . 已知函数
若
互不相等,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fa606cfa248c3f4afe93f036d1a045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67afd34495f2c2c3fe2deec14e1b4b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6bb99e2251df1777c5288d603170bd2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
5 . 有一种附中精神叫“平民本色,精英气质”.若函数
满足对任意
,都有
,则称
为“精英”函数.下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fd7af568e3d9f444beb0ff41426477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13038d1cacf169a81337f14f5d43ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.![]() ![]() ![]() |
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名校
6 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14404ce50350edd143e0a060d3746f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55df4a653725f619d381442cd2e614ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b6e3a848affeea7e7be95301d92003b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 已知
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755b1df2ada50754f95e75064b821a0e.png)
则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2899c2f35f450a3658be04c355b9d73a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedb712790801ce5ee2a4396e4d3a54b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755b1df2ada50754f95e75064b821a0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
8 . 已知函数
(
)满足:
,
,且当
时,
.
(1)求a的值;
(2)求
的解集;
(3)设
,
(
),若
,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2b0fbdc1e5d2305817290435445ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a003b586f8b63d0360bb3dfe15b176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc83d987364b88dd1bb2a9d762dbb2a.png)
(1)求a的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da4da56293412b83823ad7f803e16891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bea29d29997eb7999a94bedaa27d83a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a68eadbcb9953c6d7fc17ef2763ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ece7ed9c29f97a6c930ab90f0652c.png)
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解题方法
9 . 若
,
,
,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5d23bdf0d98683140678276cd0f820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d397edfb04a7f0c51a2bd007b20e2df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c776ca6237c677dd205d77e1ab516d7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 若
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2647fef283786fd3152b17f2c8ad4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929e4d8bbba68918cff0ee8fb7c901bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2713ad2009d71b2c048ba053e94a938e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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