设函数,则函数的零点个数为     (    )        A.1个  B.

设函数,则函数的零点个数为     (    )

       A.1个  B.2个  C.3个  D.4个

答案

C

相关题目

下列各组气体全部可以用浓H2SO4来干燥的一组是()。A.CH4、H
下列各组气体全部可以用浓H2SO4来干燥的一组是()。A.CH4、H2、CO、NH3         B.CO2、H2、SO2、Cl2C.CO、CH4、HCl、HBr        D.SO2、CO2、H2、H2S
宇宙中含量最多的元素是氢元素,科学家发现,这些氢元素
宇宙中含量最多的元素是氢元素,科学家发现,这些氢元素除了以H2存在外,还有少量以H3存在。下列有关H3的说法正确的是 ( )          A.它是一
My father ________ to Nanjing twice. A. has been     B. has gone      
My father ________ to Nanjing twice. A. has been     B. has gone        C. have been       D. have gone    
--- An ant has two stomachs --- one for itself, one for others.    --- Reall
--- An ant has two stomachs --- one for itself, one for others.    --- Really? Quite interesting. I ____ anything about it. A. don’t know    B. have known      C. haven’t known   
Watching TV is a very popular pastime in the UK but what kind of programmes do B
Watching TV is a very popular pastime in the UK but what kind of programmes do British people like to watch? Well, the most-watched TV programmes every week are very popular dramas that are usually on
已知集合,则=(    ) A.         B.           C. 
已知集合,则=(    ) A.         B.           C.           D.
(2013•临沂)当你走在放学回家的路上,突然间狂风大作,
(2013•临沂)当你走在放学回家的路上,突然间狂风大作,电闪雷鸣,这时你会急忙找避雨地点,并迅速跑过去.如图是该过程的反射活动图解,请你
如图所示,两颗卫星围绕着质量为M的中心星体做匀速圆周运
如图所示,两颗卫星围绕着质量为M的中心星体做匀速圆周运动.若两颗卫星和中心星体始终在同一直线上,两颗卫星间的作用及其他星体对两颗卫星的

最新题目