JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Analyzing +4 | -1

Let

f: X \rightarrow[1,27]

be a function by

f(x)=5 \sin x

+12 \cos x+14

. The set

X

so that

f

is one-one and onto is

View answer and explanation

Correct option: D

None of these

Option D (None of these) is correct because the function is not one-to-one due to its periodic nature, even though its range is within [1, 27].

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