SOLUTION: f(x) = 8x + 4 g(x) = x-4/8 all of x-4 is the numerator divided by 8 f(g(x)) = g(f(x)) =

Algebra ->  Functions -> SOLUTION: f(x) = 8x + 4 g(x) = x-4/8 all of x-4 is the numerator divided by 8 f(g(x)) = g(f(x)) =       Log On


   



Question 1021442: f(x) = 8x + 4
g(x) = x-4/8 all of x-4 is the numerator divided by 8
f(g(x)) =
g(f(x)) =

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
f (g(x))= [8*(x-4)/8]+4=(x-4)+4=x
g (f(x))= (8x+4-4)/8=x
These are inverses of each other.
graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C8x%2B4%2C%28x-4%29%2F8%29