6.已知函数,且的导函数,函数的图象如图所示. 则平面区域所围成的面积是                                                                            

  A.2                             B.4                       C.5                        D.8

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            

 0  10044  10052  10058  10062  10068  10070  10074  10080  10082  10088  10094  10098  10100  10104  10110  10112  10118  10122  10124  10128  10130  10134  10136  10138  10139  10140  10142  10143  10144  10146  10148  10152  10154  10158  10160  10164  10170  10172  10178  10182  10184  10188  10194  10200  10202  10208  10212  10214  10220  10224  10230  10238  447090 

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