ID: Class: 12 Subject: Math Topic: Relations and Functions Type: Mcq Year: 2024

Question:

Let \(R_{+}\) denote the set of all non-negative real numbers. Then the function \(f:R_{+}\rightarrow R_{+}\) defined as \(f(x)=x^{2}+1\) is :
  • A. one-one but not onto
  • B. onto but not one-one
  • C. both one-one and onto
  • D. neither one-one nor onto