1 . 设
,y是不超过x的最大整数,且记
,当
时,
的位数记为
例如:
,
,
.
(1)当
时,记由函数
的图象,直线
,
以及x轴围成的平面图形的面积为
,求
,
及
;
(2)是否存在正数M,对
,
,若存在,请确定一个M的值,若不存在,请说明理由;
(3)当
,
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322dd8f56b5f8d2c667fdf0d4a9f9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b7f26fe1977bda9de200debe99f020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636289ad84b4a3a51095dd32ca201f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f161c2a3717f1b6c62d0d7dae0b606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888f3535e96d599e0840c74f44e90293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2fd68df194a8b9f184abb07ada0877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1290d361e6c11b7c934a53d866a73522.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290e62b6c28d766f6a64fc6557667db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c9cfd43ce24a0d820f0044d9c837db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ae72830ccc2633ada579cf63fd6932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831ed34d8c6d99fdd0b94688ef03bfcb.png)
(2)是否存在正数M,对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c21606ef2837d3a77d25e0c6473731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf968fe2653e0b497d78907096467d9.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636289ad84b4a3a51095dd32ca201f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9b95079ade5ac98fc651fafc489761f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49fd568e4f8120ace4d486adc764f55.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
的定义域均为
,且
,
,若
的图象关于直线
对称,则以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614af486f69e73f4fb0e23f0e686fc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e157b2495c34c099ec2c22a67ee898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
A.![]() | B.![]() |
C.![]() ![]() | D.若![]() ![]() ![]() |
您最近一年使用:0次
2023-06-12更新
|
2594次组卷
|
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