SOLUTION: Given f(x)= 4/x+2, find the inverse function f^-1(x)

Algebra ->  Inverses -> SOLUTION: Given f(x)= 4/x+2, find the inverse function f^-1(x)      Log On


   

Question 759932: Given f(x)= 4/x+2, find the inverse function f^-1(x)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Given f(x)= 4/(x+2),
find the inverse function f^-1(x)
---------------------
1st: Interchange x and y
x = 4/(y+2)
--------------
2nd: Solve for "y":
y+2 = 4/x
----
y = (4/x)-2
==================
Cheers,
Stan H.
==================