1 . 已知函数
有两个互为相反数的极值点
,且
,则下列说法正确的是( )
①
;
②
必存在最小值;
③若
有唯一一个整数解,则
的取值范围为
;
④若存在两个不相等的正数
,使得
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77241c5c8f271ed707484d98a56499a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05c8c296108fe7875d7c0a072d6d9446.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600379d4a993514aaaeed551de58293a.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a042d484f08d3c92044913367d3e09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d223b1575c304c0572d3a8e8ac541c2.png)
④若存在两个不相等的正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca31577dd76afbc1b720cdcad88ffd16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1955e99004ea1232eef1669da296545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2c030ad85dc6ba6ac1ffde14758655.png)
A.①②③④ | B.①②③ | C.①③④ | D.①②④ |
您最近一年使用:0次
名校
2 . 设函数
,
,若曲线
上存在一点
,使得点
关于原点
的对称点在曲线
上,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5748527c15e370dcf4230ad2d0e1b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c829c3f2e2765100d9cf414cc2e6203c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.有最小值![]() | B.有最小值![]() |
C.有最大值![]() | D.有最大值![]() |
您最近一年使用:0次
解题方法
3 . 已知函数
,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1c85993ff4fe4c7647971286e618da.png)
A.直线![]() ![]() |
B.函数![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2021-08-03更新
|
305次组卷
|
2卷引用:江西省九江市修水县2020-2021学年高二下学期期末数学(理)试题