解题方法
1 . 下列各式的值为1的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 已知函数
的图象是一条连续不断的曲线,且
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97aa7457cc4f4f8358a5f6e62a6e1efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fefbe76e89abcb81b8840e62a438260b.png)
A.![]() |
B.![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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解题方法
3 . 函数
的部分图象大致为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91e82346dd40dbf68fa8a98c34cc7fd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
4 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944236e7d6d2f7ef94fb7533b040957b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb476c1048375cb5e03b892597f01490.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b010ba9ba0cbd06dabf18797292203c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
5 . 已知函数
.
(1)若
,且
,
,求
的取值范围;
(2)若关于
的不等式
的解集为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b8de2391b377e6a1a206219f5333d4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3461af4cd496aab2d285bfead287c6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8c9c68b92a181e9f4ca70a7736d665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b2e67cd10ebbced3d964ab0dc5c298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca39c7f527c4eebdbe58949289a5f6c.png)
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解题方法
6 . 不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad00353712247a99a7b0b0e96fb0fd5.png)
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解题方法
7 . 已知定义在
上的函数
满足
,当
时,
,且
.
(1)求
;
(2)若
为奇函数,求
的值;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff087183559c6b1b2be35caee9ab33c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857e07c5fb7f2410d6d267a00889db10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6253c8b6442e8d5a7337e79df7647792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fc8cd302631b86de29e0d9cbe3169d.png)
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解题方法
8 . 已知函数
.
(1)讨论
的单调性;
(2)若函数
在区间[a,b](其中
)上的值域为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d260bd1152b8a240b371f484cc8553.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b0d566fe2781fcfdff355fb1ecc05e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746fac80736cd181a9fb2f9cdcf8065e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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9 . 已知角
的顶点在坐标原点,始边与
轴非负半轴重合,终边经过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d477ba92a3901cdfd499a36022465931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078e71df78f4009c753e7f87c0aeb22f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 若函数
在区间
上单调递增,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a18ef8f0c3c16b3419fb674d717747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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