Question 1157690
1:


{{{x=3y-5}}}
{{{x+5=3y}}}
{{{y=(x+5)/3}}}
-
-
{{{f-1(x)=(x+5)/3}}}



2:

which do you have?
{{{g(x)=x-1/4}}}
or
{{{g(x)=(x-1)/4}}}