Determine Whether the Variation Model Below Is of the Form $y = k x$

Multiple Choice

Determine whether the variation model below is of the form $y = k x$ or $y = \frac { k } { x }$ . x
13
26
39
52
65
Y
3
6
9
12
15

A) $y = k x$ ​
B) $y = \frac { k } { x }$