解题方法
1 . 已知函数
则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22edf3596903fa784db4351206674ef.png)
A.![]() ![]() |
B.![]() ![]() |
C.“![]() ![]() |
D.若关于![]() ![]() ![]() |
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2 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83016b99d34982a8d22712640d5c28f3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c90ecd2d344e7b1c5ac463f9c9b53a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83016b99d34982a8d22712640d5c28f3.png)
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名校
3 .
的单调递减区间为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847fdabe1ef704a87347d2d2fb46657c.png)
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名校
4 . 衡阳五一期间某服装店每天进店消费的人数每天都在变化,设第
天进店消费的人数为y,且y与
(
表示不大于
的最大整数)成正比,第1天有15人进店消费,则第2天进店消费的人数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75773de43aa4e07a08c41f21fb1cae4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0b0567d74a3f28ac036344745b08bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7054b4cdb50f283d6db90ab1a7ad877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.15 | B.16 | C.17 | D.18 |
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名校
解题方法
5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b896811b39b4317a86f2fd82d4ec24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ffcecd98607e741f043fb2abaeebb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 函数
的零点是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c3fe29090f8c001458a1ea03aa358d.png)
A.0 | B.1 | C.2 | D.![]() |
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解题方法
7 . 如图,已知函数
的图象与函数
的图象关于直线
对称,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac380bc92fe0d36dec76da42a864188f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f1c47c6710e588cc88b19488e5344e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.0.5 | B.1 | C.1.5 | D.2 |
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8 . 如图,已知函数
在
单调递增,且经过点
,
,则
,
的值分别是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe3c339f6b1ab17fe76ebab9ae35eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b5e960105437b0cce733ef4f21b201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633ca6abf0a23f7986facd5941edfe2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/921dc9e1e2bb357d8ea272c128a442d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/31/93be5e91-52b7-4a9f-b802-c7986c9efdcb.png?resizew=168)
A.1,![]() | B.1,![]() | C.3,![]() | D.3.![]() |
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解题方法
9 . 已知
,且函数
在
上是增函数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b480e768a0e6c8906afc6ff8bbe9696a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5a34b07957dc837d8cd933dc246096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2372f424431ce7b547a66b7d61d75421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.![]() | D.3 |
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10 . 已知集合
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb2f64356f0dd3e42da768d55b7f051.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0909f3c99df9031a14397cf8c7673b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3af1c9be8b4e4556332bdeb966570b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.0 | B.1 | C.2 | D.4 |
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