Which equation is true for all x- and y- values in the table below?
x y
1 7
2 14
3 21
4 28
A. y = x + 7
B. y = x – 7
C. y = start fraction x over 7 end fraction
D. y = 7x
x y
1 7
2 14
3 21
4 28
A. y = x + 7
B. y = x – 7
C. y = start fraction x over 7 end fraction
D. y = 7x