一、选择题
:1<Object: word/embeddings/oleObject1.bin>
8小题,每小题4分,共32分.下列每题给出的四个选项中
,只有一个选项符合题目规定的
,请将所选项前的字母填在
答题纸指定位置上
.(1)设函数<Object: word/embeddings/oleObject2.bin>
在<Object: word/embeddings/oleObject3.bin>
内连续，其中二阶导数
<Object: word/embeddings/oleObject4.bin>
的图形如图所示，则曲线
<Object: word/embeddings/oleObject5.bin>
的拐点的个数为
( )
(A)<Object: word/embeddings/oleObject6.bin>
(B)<Object: word/embeddings/oleObject7.bin>
(C)<Object: word/embeddings/oleObject8.bin>
(D)<Object: word/embeddings/oleObject9.bin>
(2) ...