题目内容

(本小题满分12分)若函数在区间上的最大值为6,

(1)求常数m的值及的对称中心;

(2)作函数关于轴的对称图象得函数的图象,再把的图象向右平移个单位得的图象,求函数的单调递减区间.

 

【答案】

(1)

(2)

【解析】(1)                                  1

                                                   2

                                    3

                                                          4

                                                                 5

                                              6

的对称中心                                       8

(2)                     9

                       10

                                          11

的单调递减区间是                         12

 

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