Question

If f(x)=3x+1 and f^-1=x-1/3 then f(2)

Answer 1

f(x)=3x+1
f(y)=3y+1
f(a)=3a+1

i hope you see where this is going
substitude the value in the parenthesis "( )" with x
so f(2) = (3)(2)+1
or f(2) = 7

Answer 2

ok I think I know want u did....thanks