1. Which set of ordered pairs shows a functional relationship? *

25 points

a(4,-4) (4,4) (6,-6) (6,6)

b(3,8) (5,12) (7,17) (3,12)

c(2,6) (4,12) (6,18) (8,24)

d(3,-6) (5,-10) (3,-10) (6,-12)