Question

Assume that f and g are inverse functions. if g(-2)=0, what is f(0)?

Answer 1

make a (educated) guess

Answer 2

hint: it is the only other number you see

Answer 3

-2 :D
But how else can I do it?

Answer 4

if
f(a) = b
then
f^-1(b) = a

Answer 5

what @agent0smith said
they say the same thing

Answer 6

Oh. Alright.

Answer 7

then inverse flips the ordered pair of the original function