Answer:
f-1(x)=x/3+2/3
Explanation:
Replace f(x) with Y
y=3x-2
interchange variables
x=3y-2
solve for y
rewrite equation
3y-2=x
add 2 to both sides
3y=x+2
divide both side by 3
3y/3=x/3+2/3
Y=x/3+2/3
x/3 +2/3
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