Functions Question 644

Question: If $ f:R\to R $ , then the range of the function $ f(x)=\frac{x^{2}}{x^{2}+1} $ is

[MP PET 1987]

Options:

A) $ {R^{-}} $

B) $ {R^{+}} $

C) R

D) $ R\times R $

Show Answer

Answer:

Correct Answer: B

Solution:

$ {R^{+}} $ {as y is always positive $ \forall x\in R} $ .