How do you find the inverse of $f(x)=1/5x+3$ ?

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Answer 1 · 2017-06-20T17:58:03

$f^-1(x)=5(x-3)$

$"we have " y=1/5x+3$

$"rearrange making x the subject"$

$rArr1/5x=y-3$

$rArrx=5(y-3)$

$rArrf^-1(x)=5(x-3)$

How do you find the inverse of f(x)=1/5x+3f(x)=1/5x+3?