Question

HELP PLEASE>
Which of the following reactions is a function?

Answer 1

\[A) {(-2,-\frac{ 4 }{ 5 }), (-1, -1), (0,0), (-1,1)}\]
B)\[{(-2,0), (0,\frac{ 1 }{ 2 }), (0,\frac{ 3 }{ 4 }), (1,1)}\]
C) \[{(-2,1), (-1,0), (0,-1), (-2,2)}\]
or D)\[{(-2,4),(-1,1), (0,0), (1,1)}\]

Answer 2

d

Answer 3

Thank you (:

Answer 4

yvw :)

Answer 5

:)