Which function describes the arithmetic sequence shown?

−4, 0, 4, 8, 12, 16, ...
Responses
A ƒ(x) = 4x + 8ƒ(x) = 4x + 8
B ƒ(x) = 4x − 8ƒ(x) = 4x − 8
C ƒ(x) = −4x + 8ƒ(x) = −4x + 8
D ƒ(x) = −4x − 8