皮皮学，免费搜题
登录
搜题
【简答题】
（填空题压轴题：考查函数的性质，字母运算等） 设函数f（x）的定义域为D，如果存在正实数k，使对任意x∈D，x+k∈D，且f（x+k）＞f（x）恒成立，则称函数f（x）为D上的“k型增函数”．已知f（x）是定义在R上的奇函数，且当x＞0时，f（x）=|x-a|-2a，若f（x）为R上的“2011型增函数”，则实数a的取值范围是______．
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】母猪从这次发情征状消失至下次发情征状出现的时期,称 期。
【单选题】An ecosystem is a group ofanimals and plants living in a specific region and interacting with one another and with their physical environment. Ecosystems include physical and chemical components, such...
A.
An ecosystem is a community that includes animals,plants,and microscopic bacteria.
B.
Human activities can do great damage to local ecosystems,so human communities should be cautiously planned.
C.
In managing the ecology of an area,it is important to protect both human interests and the interests of other members of local ecosystems.
D.
People should remember that they are a part of the ecosystems where they live and work.
【简答题】You may also feel _______1______ by the wealth of courses available. My advice is:_____2______ yourself! You should ____3___ new subjects, cultivate new interests, and pursue new passions. Besides, th...
【单选题】Conflict may escalate at “resolve” stage for 4 reasons, which choice is not belong to these 4 reasons?_______
A.
conflicting interests
B.
dispute rights
C.
unique read power
D.
prevent conflict
【简答题】Although we may not be members of an extended family, we all have (1)m__________ of that far larger group of (2) i__________ called "society", and whether we like it or not we are utterly (3) d ____...
相关题目：