Function Injectivity Surjectivity (Jee Mains) | ExamDuo
Functions
Medium
Function Injectivity Surjectivity
A function f : A → B, where A = {x; -1 ≤ x ≤ 1} and B = {y : 1 ≤ y ≤ 2} is defined by the rule y = f(x) = 1 + x². Which of the following statement is correct?