1 . 已知函数
,若这两个函数的图象关于
对称,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb22c7df1444c86ed2acda28c7cf355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de447d5e47448d0f15a7535bf3ce0be.png)
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2013·内蒙古赤峰·一模
2 . 已知函数
.
(1)若
,解不等式
;
(2)若
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf16c82259d761c266db0d176a5927a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca2e56d9ddcb60e79f4d6349574c650.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d660cb98d8f5b7a8730822993b3af85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca15995ba5184e4322a66c737e058e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2010·北京丰台·一模
3 . 已知函数
的图象经过点![](https://img.xkw.com/dksih/QBM/2010/7/29/1569804215132160/1569804220317696/STEM/9250c53ecf16447581ff25f1608281a3.png?resizew=85)
(I)求实数
、
的值;
(II)若
,求函数
的最大值及此时x的值.
![](https://img.xkw.com/dksih/QBM/2010/7/29/1569804215132160/1569804220317696/STEM/6c9beaffe0dd4699bc73db6eea1f7ca4.png?resizew=149)
![](https://img.xkw.com/dksih/QBM/2010/7/29/1569804215132160/1569804220317696/STEM/9250c53ecf16447581ff25f1608281a3.png?resizew=85)
(I)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(II)若
![](https://img.xkw.com/dksih/QBM/2010/7/29/1569804215132160/1569804220317696/STEM/0925e9fbf27e41fe9b9eea00bc1b294a.png?resizew=65)
![](https://img.xkw.com/dksih/QBM/2010/7/29/1569804215132160/1569804220317696/STEM/50400615e5dc4026bc9a468cc0669d9a.png?resizew=36)
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