Answer:
f(x) = 54
Step-by-step explanation:
Plugging in -8 we get f(x) = 6(1-(-8)) since there is a double negative we can simplify it to a positive --> f(x) = 6 (1 +8) now distribute 6 to all factors in ( )
6 times 1 is 6 and 6 times 8 is 48. So now we have 6 + 48 which = 54
