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The following figure depicts which type of function?

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in Mathematics - Class 12 by (687k points)
The following figure depicts which type of function?

(a) injective

(b) bijective

(c) surjective

(d) neither injective nor surjective

I got this question during an interview.

My doubt is from Types of Functions in chapter Relations and Functions of Mathematics – Class 12

1 Answer

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Best answer
Right option is (b) bijective

For explanation I would say: The given function is bijective i.e. both one-one and onto.

one – one : Every element in the domain X has a distinct image in the codomain Y. Thus, the given function is one- one.

onto: Every element in the co- domain Y has a pre- image in the domain X. Thus, the given function is onto.

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