Question

find the domain and range of f(x)=x/1+x×x​

Answer 1

Answer:

f(x)=x/(1+x×x)

=x/(1+x²) ; x ∊ R

․‧․, D = {x: x/(1+x²) ; x∊R}

f

․‧․, R = f(x) =x/(1+x²) ; x∊R

f