How do you find inverse of the function?

Question

$f(x)=(2z-3)/4$

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Answer 1 · 2017-02-12T22:22:59

$f^-1(x)=(4x+3)/2$

$f(x)=(2x-3)/4$
$y=(2x-3)/4$
$x=(2y-3)/4$
$2y-3=4x$
$2y=4x+3$
$y=(4x+3)/2$
$f^-1(x)=(4x+3)/2$