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JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Application +4 | -1

If

f(x)=\frac{x-|x|}{|x|}

, then

f(-1)=

View answer and explanation

Correct option: B

-2

Option B (-2) is correct because substituting x = -1 into the function

f(x)=\frac{{x-|x|}}{{|x|}}

results in -2.

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f\left( x \right) = x - \left[ x \right]

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, Choose the correct answer. Which of the following functions are odd functions Let

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S=\left\{x: f(x)=f^{-1}(x)\right\}