Mapping which is defined as will be

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

Published by: CGP EDU Academic Team

Published on: August 11, 2026

Neither one-one nor onto

One-one

Onto

One-one onto

Text Solution

Verified by Experts

The correct answer is:

Let then , , so

⇒ ⇒ ⇒ ⇒

⇒ ⇒ , so it is not one-one.

Again the value of f- image of x lies in between –1 to 1

⇒ ⇒

So other numbers of co-domain (besides –1 and 1) is not f- image. so it is also not onto. So this mapping is neither one-one nor onto.

Previous Question Next Question

Get practice questions, solutions, and test series in one place.

Share your experience with this question and solution.

Send your comment, doubt, correction, or feedback to admin.

What students say about this solution

No reviews yet. Be the first to write a review.