What is the inverse of $f(x) = x-8$ ?

Apr 17, 2018

$f^-1(x)=x+8$

$"we have "y=x-8$

$"make x the subject"$

$"add 8 to both sides"$

$rArrx=y+8$

$rArrf^-1(x)=x+8$

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What is the inverse of f(x) = x-8f(x) = x-8?