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)=2x-5 inverses of each other?
Answer: no
I am not familiar with the notation [g x f](x)
2) is correct
Answer: -1/2x^2
2) Are f(x)=1/2x+5 and g(x)=2x-5 inverses of each other?
Answer: no
2) is correct