1 . 函数
满足
,则常数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59d46d237d30bf862090469c98da9f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535fbd4834ea07cadae1dcc39bb83913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
您最近一年使用:0次
解题方法
2 . 已知函数
(a为常数.且
),
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e3af0dcd37fce1b21b35c9d0368518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ddfb0d2cb78e7388619a0557bad091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/334a2ea1a906d803a281dade05b97515.png)
A.4 | B.6 | C.8 | D.10 |
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3 . 已知等差数列
的前n项和为
,若
,且
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cf11633fb4d3852e380007361f4e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d61d2fbacb2895b7606f4956f443fc89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7bf78468ca801ef305ce4f76986da1.png)
A.62 | B.64 | C.66 | D.68 |
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解题方法
4 . 已知等比数列
首项
,公比
,用
表示该数列前
项之积,则
中最小的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec27946635ce99f0439621ce87e4317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb08ac8920645c616053c845978bdf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 非空集合
,满足条件:若
,则
.这样的M有( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c86d2a3bf9112fd5a64185cf1065c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c994bd56f31235e577dfd37121e32dcb.png)
A.13个 | B.14个 | C.15个 | D.16个 |
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6 . 已知集合
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e885f1f0852dae19481cb9ccdaee02de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 实数列
满足
为
前k项和,令
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4479bae6c067537f99bd8a74b69efb5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b823bb30ecbe7ea3a48e35d16cf0d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39c00f1e8a107981c5b654608f55e0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f89080740f515f64a5077647b3ca927.png)
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解题方法
8 . 已知
(其中a,b为常数,且
)在
上的最大值和最小值分别为
和
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200dd30171e6c5895abbda91d0e9d195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b172723002461ae60798317e2f10f6c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f190b17530d81d927c358ac84757a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
您最近一年使用:0次
解题方法
9 . 已知
对任意
,有
,若
,求x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ee0bd8a541d6c1057325f7f4287a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa130b80a64f150b2ab78d40cf128c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985c6ed2a37efcbc1718590a4277e278.png)
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解题方法
10 . 设数列
满足
,且
,则通项![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c2dc3e8291037e6b180d67b137c37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f200a5483af0cfa8f56068585cba52d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次