Answer:
x | y
1 | 3
2 | 6
4 | 12
5 | 15
____________
2nd table down
Step-by-step explanation:
x | y
1 | 3
2 | 6
4 | 12
5 | 15
_____
This relationship is y = 3x.
Because y is always x multiplied by 3.
Thus this relationship is the only proportional one because it is in the form y = kx, where k is the constant of proportionality.
The relationship is also known as direct variation because it goes through (0,0) has a constant variation, and is a linear relationship.
