Question

Let \(f: \R → \R\) be defined by \(f(x) = x^2\), for every \(x∈\R\). Then \(f\) is:

• A. one-one and onto
• B. one-one and not onto
• C. neither one-one nor onto
• D. onto and not one-one

Answer 1

The Correct Option is C

The correct option is(C):neither one-one nor onto