已知函数 f(x)={x2+b,x≤0lgx,x>0 ，若 f(f(110))=4 ,则 b=

题干

已知函数 f(x)={x2+b,x≤0lgx,x>0 ，若 f(f(10

1

))=4 ,则 b= （）

A： $3$

B： $2$

C： $0$

D： $- 1$

上一题下一题 0.0难度选择题更新时间:2019-10-24 02:03:36

A

Paul: Hi, Nick! What are you going to do tomorrow?

Nick: I have no idea. And you?

Paul: I want to see a movie. How about going with me?

Nick: ____ But I hear there is a talk at 8:00 in the Sea Hall.

Paul: What's the talk about?

Nick: The history of music. ____

Paul: Me, too. ____

Nick: That's great! Let's go to the Sea Hall instead of going to the movie.

Paul: By the way, my sister likes music, too. ____

Nick: Sure. ____

Paul: Let's meet at the Sea Hall gate at 7:30, OK?

Nick: OK. See you!

Paul: Bye.

A. But where and when shall we meet?

B. Can we ask her to go with us?

C. Sounds great.

D. I love music so much.

E. How about you?

F. Why not go to the talk together?

G. Which one do you like better?