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

Algebra.Com
Question 759932: Given f(x)= 4/x+2, find the inverse function f^-1(x)
Answer by stanbon(75887)   (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.
==================

RELATED QUESTIONS

Given the function f(x)=5x+4 , find its... (answered by ikleyn,MathTherapy)
given f(x)= 4x/x+2, find f-1(x) (inverse of function... (answered by stanbon)
Given the one-to-one function f(x) = x^{1/3} + 2, find the inverse... (answered by Fombitz)
1) Given the function f:x=6X-(2/X), X>0, Find: a) F-1(inverse) b) f-1(-1) c)... (answered by Fombitz)
Given the function f(x)=2-1/7x Find a formula for the inverse... (answered by josgarithmetic)
f(x)=4/(x+2) find inverse function... (answered by MathLover1)
Given: f(x) = (6x-6)/(3x+3) Find the inverse function,... (answered by MathLover1)
f(x)=1+(3/(x-2)) Find the inverse function... (answered by Fombitz)
Given : f(x)=2x^2+2 1. Find the domain of f(x). 2. Find the range of... (answered by josgarithmetic)