Question

which of them have the same result?
f(2) when f(x)=3x+2
f^-1 (3) when f(x)=2x-7/3
2y+14=4y-2

Answer 1

f(2) = 3(2) +2 = 8
3 = (2x-7)/3 --> x = 8
2y+14 = 4y-2 ---> y=8

all three have same result

Answer 2

are you sure??

Answer 3

yeah
unless its f(x) =2x-(7/3) ??