1 . 已知函数
(
)在
上的图象有且仅有3个最高点.下面四个结论:
①
在
上的图象有且仅有3个最低点;
②
在
至多有7个零点;
③
在
单调递增;
④
的取值范围是
;
则正确的结论是______ .(填写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8046aa421d61d05da2f197f61c79ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8ec0ccdb6db6fbaeb1172e281ec22f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8ec0ccdb6db6fbaeb1172e281ec22f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0145c944dd3216b95c2fe55aa2fb17f.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b53b5494acfb30338683d64d35357a.png)
则正确的结论是
您最近一年使用:0次
名校
2 . 设
,对任意的实数
,记函数
(
表示
中的较小者).若方程
恰有5个不同的实根,则满足题意的条件可能为___________ .(填写所有符合题意的条件的序号)
①
;
②
或
;
③
;
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911fc7eab7f260fe061957ee9b548fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0898d7174604fa223558cb25b4c78b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e133bf93b2fe08afaa8f96ce919de0f6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1fbe82295863faba6876c7b13d05ddb.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26492a3f9e0ea6f661d177330b83de72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d86b4ad722d7b720603eba9d330fd1.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad03d15ddcafb8abe3b8ac0520a88053.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe3d09f0ec653a57568fbd7ed5fc585.png)
您最近一年使用:0次
2024-04-24更新
|
295次组卷
|
2卷引用:陕西省安康市高新中学、安康中学高新分校2023-2024学年高三阶段性测试(八)理科数学试题