math...
posted by maya on .
write a function that relates the input X and the output Y.
1.
input x: 2 0 2 4
output y: 4 0 4 8
2.
input x: 0 1 2 3
output y: 1 4 7 10
thanks )

the two input and output tables I made are not really easy to follow. But this is what I meant:
(x,y)
1. (2, 4), (0,0), (2,4), (4,8)
2. (0,1), (1,4), (2,7), (3,10)