Given `f(x)= -6(1-x)`, what is the value of `f(-8)`?

To find the value of `f(-8)`, we substitute -8 for x in the function `f(x)`:

f(-8) = -6(1-(-8))
f(-8) = -6(1+8)
f(-8) = -6(9)
f(-8) = -54

Therefore, the value of `f(-8)` is -54.