To find the \( y \)-intercept of the function \( y = 2x - 6 \), we need to set \( x = 0 \) and calculate \( y \).
Plugging in \( x = 0 \):
\[ y = 2(0) - 6 = -6 \]
Therefore, the \( y \)-intercept of the function is \(-6\).
The correct response is:
\(-6\)