Match the function with its value.
g(x)= 2x2-1.
g(w^3)=

You haven't given us any choices to match with !  That's the purpose of
the list of complicated-looking expressions printed next to the question
where you copied it from.

g(w^3) = 8w^6 - 12w^4 + 6w^2 - 1

The answer would be a i think