已知函数y=f(x)的定义域为｛x|-3≤x≤8且x≠5}，值域为{y|-1≤y≤2且y≠0}.下列关于函数y=f(x)的说法：_刷题宝

题干

已知函数y=f(x)的定义域为｛x|-3≤x≤8且x≠5}，值域为{y|-1≤y≤2且y≠0}.下列关于函数y=f(x)的说法：①当x=-3时，y=-1；②将y=f(x)的图像补上点(5,0)，得到的图像必定是一条连续的曲线；③y=f(x)是[-3,5)上的单调函数；④y=f(x)的图象与坐标轴只有一个交点.其中正确命题的个数为（）

A：1

B：2

C：3

D：4

上一题下一题 0.0难度选择题更新时间:2019-03-31 12:30:38

答案(点此获取答案解析）

B

同类题1

生活中的热现象随处可见，下列说法不正确的是（）

同类题2

读图，完成下列各题．

同类题3

先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案．

Dear Tony,

I'm glad to1you．Now let me tell you something about my2life．I was born in3village．It was not big but4was beautiful and clean．There5a big garden．Near the garden was my first school，6I walked to school.My first teacher was7 and nice,but she was also8us.My best friends are Wang Mai and Li Dong.Wang Mai was good at all9and he was the top pupil(尖子学生)．Li Dong was good at football and he was a member of our school football team．

I am looking forward to going back to my school and 10 my teachers and friends．

Yours，

Du Ming

同类题4

—The jeans are very nice. I'll take them.

—You'd better ______ first. I'm afraid the size is a bit small for you.

同类题5

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