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JEE MATHEMATICS MCQ: FUNCTIONS

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Analyzing +4 | -1
Set of all values of pp for which the function f(x)=px+sin⁡xf(x)=p x+\sin x is bijective is
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Correct option: B
(−∞,−1]∪[1,∞)(-\infty,-1] \cup[1, \infty)
Option B ((−∞,−1]∪[1,∞))((-\infty,-1] \cup[1, \infty)) is correct because for the function to be bijective, its derivative must be either always non-positive or always non-negative.

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