To evaluate the function \( f(x) = \frac{1}{4}x \) at \( x = -5 \), you substitute \(-5\) into the function:
\[ f(-5) = \frac{1}{4}(-5) \]
Now, calculate the expression:
\[ f(-5) = \frac{-5}{4} \]
So, the result is:
\[ f(-5) = -\frac{5}{4} \]
Therefore, the evaluated result is
\[ f(-5) = -1.25 \]