Question

let h(x)=(gof)(x)=x^2/x^2+1
which of the following could be a possible decomposition of h(x)?

a) f(x) =x; g(x)=x/x+1

b) f(x)=x+1; g (x)=x^2

c) f (x)= x^2; g(x)=x/x+1

d) f (x)= x+1; g (x) = 1/x^2

I think it's C, but I just wanted to check?

Answer 1

yep you're right :D