JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Analyzing +4 | -1

Let

f\;:N \to N

be defined by

f\left( x \right) = {x^2} + x + 1,

then f is

View answer and explanation

Correct option: C

One-one but not onto

The correct answer is C (One-one but not onto) because the function is injective (one-to-one) but not surjective (onto) when mapping from N to N.

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