Which equation could have been used to create this function table?

x y
2 4
6 12
10 20
12 24
14 28



A. y = 2x


B. y = 4x


C. y = x + 4


D. y = x + 2

Respuesta :

Among other approaches, finding the actual equation of the line thru these points is workable:

6 12
10 20
                  20-12
slope m = ---------- = 8/4 = 2       The only answer choice that matches is A:
                   10-6                          y = 2x