Answer:
F(2)=3
Step-by-step explanation:
x = 10
8 + 12 = 2x
8 + 12 = 20
20 = 2x
---- -----
2 2
10 = x
4
f(x) = 488
first you plug in 82 in for x then you multiply by 6 times 82 and you get 492 then you subtract 4 and you get 488