Let 2 f(x x x ) = ( 1) –1, –1 + ³ Statement -1 : The set {x : f(x) = f –1(x) = {0, –1} Statement-2 : f is a biection.

Question:

Let $f(x)=(x+1)^{2}-1, x \geq-1$

Statement -1: The set $\left\{x: f(x)=f^{-1}(x)=\{0,-1\}\right.$

Statement-2: $f$ is a bijection.

  1. Statement- 1 is true, Statement- 2 is true. Statement- 2 is not a correct explanation for Statement-1.

  2. Statement- 1 is true, Statement- 2 is false.

  3. Statement- 1 is false, Statement- 2 is true.

  4. Statement- 1 is true, Statement- 2 is true. Statement- 2 is a correct explanation for Statement- 1 .


Correct Option: 4

JEE Main Previous Year 1 Question of JEE Main from Mathematics Sets, Relations and Functions chapter.
JEE Main Previous Year 2009

Solution:

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