x y
−4 −8
−2 −4
0 0
2 4
4 8

The values in the table represent a linear function. How does the value of y change in relation to a change in the value of x?

A) for every change in x by 4, y changes by 2
B) for every change in x by 2, y changes by 4
C) for every change in x by 4, y changes by −2
D) for every change in x by 2, y changes by −4