满分5 > 高中数学试题 >

已知实数,函数上是减函数,函数,则下列选项正确的是 ( ) A. B. C. D...

已知实数6ec8aac122bd4f6e,函数6ec8aac122bd4f6e上是减函数,函数6ec8aac122bd4f6e,则下列选项正确的是                  (    )

    A.6ec8aac122bd4f6e              B.6ec8aac122bd4f6e

    C.6ec8aac122bd4f6e              D.6ec8aac122bd4f6e

 

B 【解析】略
复制答案
考点分析:
相关试题推荐

若实数6ec8aac122bd4f6e满足6ec8aac122bd4f6e,则关于6ec8aac122bd4f6e的方程6ec8aac122bd4f6e有实数根的概率是

                                                                        (    )

    A.1              B. 6ec8aac122bd4f6e            C.6ec8aac122bd4f6e             D.6ec8aac122bd4f6e

 

 

 

查看答案

函数6ec8aac122bd4f6e在区间6ec8aac122bd4f6e上的单调递减区间是                           (    )

    A.6ec8aac122bd4f6e                         B.6ec8aac122bd4f6e

    C.6ec8aac122bd4f6e D.6ec8aac122bd4f6e

 

查看答案

由曲线6ec8aac122bd4f6e与直线6ec8aac122bd4f6e所围成的封闭图形的面积是                    (    )

    A.6ec8aac122bd4f6e             B.6ec8aac122bd4f6e             C.2              D.6ec8aac122bd4f6e

 

查看答案

已知点6ec8aac122bd4f6e,向量6ec8aac122bd4f6e,E为线段DC上的一点,且四边形OBED为等腰梯形,则向量6ec8aac122bd4f6e等于                                      (    )

    A.6ec8aac122bd4f6e                          B.6ec8aac122bd4f6e

    C.6ec8aac122bd4f6e                         D.6ec8aac122bd4f6e

 

查看答案

等比数列6ec8aac122bd4f6e,若6ec8aac122bd4f6e,则6ec8aac122bd4f6e等于                          (    )

    A.4                                B. -4

    C.6ec8aac122bd4f6e                              D.6ec8aac122bd4f6e

 

查看答案
试题属性

Copyright @ 2008-2019 满分5 学习网 ManFen5.COM. All Rights Reserved.