JEE Main 2019 — Functions Question with Solution
From: JEE Main 2019 (Online) 9th April Morning Slot
Question
If the function ƒ : R – {1, –1} A defined by
ƒ(x) = , is surjective, then A is equal to
ƒ(x) = , is surjective, then A is equal to
Choose an option
Show full solutionCorrect option: C
Correct answer
CR – [–1, 0)
Step-by-step explanation
Let ƒ(x) = = y
As is always 0.
0
y
For surjective function co-domain = Range
A is R – [–1, 0).
As is always 0.
0
y
For surjective function co-domain = Range
A is R – [–1, 0).
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