Let and is a function defined by , then is

Maths Relations and Functions Types of Functions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

a bijection

injection but not surjection

surjection but not injection

neither injection nor surjection

Text Solution

Verified by Experts

The correct answer is:

The graph shows is one- one, as any straight line parallel to -axis cuts it only at one point.

Here, range of .

Thus range = co-domain.

Hence, is onto.

Therefore, is one-one and onto, i.e, bijective.

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