Precalculuscheck answers
posted by Lucy .
If f(x)=4x^2 and g(x)=2/x, find [g x f](x).
Answer: 1/2x^2
2) Are f(x)=1/2x+5 and g(x)=2x5 inverses of each other?
Answer: no

I am not familiar with the notation [g x f](x)
2) is correct