Step-by-step explanation:
To find the value of \( f(x) = x^2 - x + 7 \) when \( x = -6 \), simply substitute \( x = -6 \) into the equation:
\[ f(-6) = (-6)^2 - (-6) + 7 \]
\[ f(-6) = 36 + 6 + 7 \]
\[ f(-6) = 49 \]
Therefore, when \( x = -6 \), \( f(x) = 49 \).
