How do you find the inverse of $f(x) = 3x + 1$ ?

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Answer 1 · 2015-11-11T23:08:46

$f^(-1)(x)=(x-1)/3$

By definition, the inverse function is defined as follows :

$y=f^(-1)(x)iff f(y)=x$

So in this case it would be so $iff 3y+1=x$

$iffy=(x-1)/3$

How do you find the inverse of f(x) = 3x + 1f(x) = 3x + 1?