Question

[Pham Trong Bach]

Cho hàm số:  f ( x ) = x x + 1 , x ≥ 0 1 x − 1 , x < 0 . Giá trị  f ( 0 ) , f ( 2 ) , f ( − 2 ) là:

A.  f ( 0 ) = 0 , f ( 2 ) = 2 3 , f ( − 2 ) = 2

B.  f ( 0 ) = 0 , f ( 2 ) = 2 3 , f ( − 2 ) = − 1 3

C.  f ( 0 ) = 0 , f ( 2 ) = 1 , f ( − 2 ) = − 1 3

D.  f ( 0 ) = 0 , f ( 2 ) = 1 , f ( − 2 ) = 2

Answer 1

[Cao Minh Tâm]

Đáp án B