函数的定义域为

函数的定义域为

答案

相关题目

对某株植物作如下处理:(甲)持续光照20分钟;(乙)光照
对某株植物作如下处理:(甲)持续光照20分钟;(乙)光照5分钟后再黑暗处理5分钟,连续交替进行40分钟。若其它条件相同,则在甲乙两种情况下植
This Japanese dictionary ________ Ellen's.She is the only person learning Japan
This Japanese dictionary ________ Ellen's.She is the only person learning Japanese in our class.(2013,西宁) A.must be  B.can't be C.may be  D.can be
One night, when I was eight, my mother gently asked me a question I would never
One night, when I was eight, my mother gently asked me a question I would never forget. “Sweetie, my company wants to  41 me but needs me to work in Brazil. This is like your teacher telling tha
Research by Scotland Yard published in a London newspaper, has proven that knife
Research by Scotland Yard published in a London newspaper, has proven that knife crime in London is a serious non – white phenomenon, with 165 of the 225 under- 18s accused of knife crime in the pas
如图为湖边一倾角为30°的大坝的横截面示意图,水面与大坝
如图为湖边一倾角为30°的大坝的横截面示意图,水面与大坝的交点为O.一人站在A点处以速度v0沿水平方向扔小石子,已知AO=40m,不计空气阻力。下列说
一个细胞连续分裂四次后,最多可以形成多少个细胞( ) A
一个细胞连续分裂四次后,最多可以形成多少个细胞( ) A.4个  B.8个  C.16个 D.32个
2010年1月27日,中共中央在中南海召开民主协商会,就增选全
2010年1月27日,中共中央在中南海召开民主协商会,就增选全国政协领导成员的人选,向各民主党派中央、全国工商联领导人和无党派人士通报情况,听
下列判断中一定正确的是( )   A.CaCl2及CaO2固体中阴、阳离
下列判断中一定正确的是( )   A.CaCl2及CaO2固体中阴、阳离子数之比均为2∶1 B.等质量的O2与O3中,氧原子的个数比为3∶2 C.分别用H2O2、KMnO4分解制O2

最新题目