JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Analyzing +4 | -1

Let

\mathrm{f}: \mathrm{R} \rightarrow \mathrm{R}

be defined by

f(x)=\frac{|\mathrm{x}|-1}{|\mathrm{x}|+1}

then

\mathrm{f}

is:

View answer and explanation

Correct option: C

onto but not one-one

Option C (onto but not one-one) is correct because the function is surjective (onto) but not injective (one-to-one).

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