Let A be a finite set and f : A → A - CUETMOCK

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Relations and Functions

Question:

Let A be a finite set and f : A → A be an injection function then

Options:

f need not be onto

f is necessarily onto

f may or may not be onto

None of these

Correct Answer:

f is necessarily onto

CUET Questions