If Y Varies Directly as X, Find the Direct Variation $y = 4$

Multiple Choice

If y varies directly as x, find the direct variation equation for the situation.
- $y = 4$ when $x = 14$

A) $y = x - 10$
B) $y = 2 x$
C) $y = \frac { 2 } { 7 } x$
D) $y = \frac { 7 } { 2 } x$