1 . 计算:(1)
;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16a7238fd7b081c5d175b1c73cca762.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ccf942db53c0798a9b0db6eb44597a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512fd42b669d570e85495a448951df98.png)
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2 . 下列四个函数中,具有性质“对任意的实数
,函数
满足
”的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 设
,
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9c47e3183cc7098ca7f438bbd5fbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010368c4497268a7e6f1651a02ec5846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b00378496a6920b22f55ebcee34a270.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c941c72b1e1294b245450a209b677063.png)
已知
,
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c941c72b1e1294b245450a209b677063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922e843f97ba20305e6edb8a1d14f1b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeae4e4940d654f083f1073ba872504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db589bebb2f413b51ab7d684f7eb990.png)
您最近一年使用:0次