JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Understanding +4 | -1

Let

f:R \to R

be a function defined by

f\left( x \right) = \cos \left( {5x + 2} \right).

Then,

f

View answer and explanation

Correct option: D

None of these

Option D (None of these) is correct because the function is neither injective nor surjective, as it's a periodic function with a limited range.

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