Answer
$f^{-1}$(x)=$\frac{7-4x}{2x}$
Work Step by Step
f(x)=$\frac{7}{2x+4}$
y=$\frac{7}{2x+4}$
x=$\frac{7}{2y+4}$
x(2y+4)=7
2xy+4x=7
2xy=+7-4x
y=$\frac{7-4x}{2x}$
$f^{-1}$(x)=$\frac{7-4x}{2x}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.