The function defined by is

Maths Functions, Limits, Continuity and Differentiability Functions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

One-one but not onto

Onto but not one-one

Both one-one and onto

Neither one-one nor onto

Text Solution

Verified by Experts

The correct answer is:

We have

and ⇒ ⇒ is not one-one.

For each , there exists such that . Therefore f is onto. Hence is onto but not one-one.

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