To identify the y-intercept of the exponential function \( y = 0.5(6)^x \), we need to evaluate the function at \( x = 0 \).
Substituting \( x = 0 \):
\[ y = 0.5(6)^0 \]
Since \( (6)^0 = 1 \):
\[ y = 0.5 \cdot 1 = 0.5 \]
Thus, the y-intercept is \( 0.5 \).
The correct response is:
0.5