JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Understanding +4 | -1

Let

f: R \rightarrow R

be a function defined by

f(x)=x^3+4

, then

f

View answer and explanation

Correct option: C

bijective

Option C (bijective) is correct because the function f(x) = x³ + 4 is both injective (one-to-one) and surjective (onto) over the real numbers.

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

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

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f(x)=(x+1)^2-1(x \geq-1)

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