SOLUTION: Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x)=4/x. g(x)=4/x

Algebra ->  Rational-functions -> SOLUTION: Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x)=4/x. g(x)=4/x       Log On


   

Question 1091418: Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.
f(x)=4/x. g(x)=4/x

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

f%28x%29=4%2Fx
+g%28x%29=4%2Fx
g%28f%28x%29%29+=+g%284%2Fx%29=4%2F%284%2Fx%29=4x%2F4=x which confirms that f and g are inverses