To find \( f(1) \) using the function rule \( f(x) = |2 - x| \), we substitute \( x \) with \( 1 \):
\[ f(1) = |2 - 1| \]
Calculating inside the absolute value:
\[ f(1) = |1| \]
Since the absolute value of \( 1 \) is \( 1 \):
\[ f(1) = 1 \]
So, the final result is:
\[ f(1) = 1 \]