What is the range of the function \({\rm{y}} = \frac{{{{\rm{x}}^2}}}{{1 + {{\rm{x}}^2}}}\) where x ∈ R?

What is the range of the function \({\rm{y}} = \frac{{{{\rm{x}}^2}}}{{

1.	What is the range of the function \({\rm{y}} = \frac{{{{\rm{x}}^2}}}{{1 + {{\rm{x}}^2}}}\) where x ∈ R?
A.	[0, 1)
B.	[0, 1]
C.	(0, 1)
D.	(0, 1]
Answer» B. [0, 1]