已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/ca520d12-7844-45bc-927c-c56f70591c22.png?resizew=220)
(1)当a=-2时,在给定的平面直角坐标系中作出函数f(x)的大致图象,并写出它的单调递减区间;
(2)若
,求实数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c7f8f2eade367cadc51e1b479ac18e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/ca520d12-7844-45bc-927c-c56f70591c22.png?resizew=220)
(1)当a=-2时,在给定的平面直角坐标系中作出函数f(x)的大致图象,并写出它的单调递减区间;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4bf4b8f5797abd8e8a0950ec647604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
更新时间:2021-11-19 15:17:23
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