2. Questions Bank
  3. 12th Class
  4. Mathematics
  5. Relations and Functions

12th Class Mathematics Relations and Functions Question Bank Case Based (MCQs) - Relations and Functions

  • question_answer
    Let \[f\,:\,R\to R\] be defined by \[f\left( x \right)=x-4\]. Then the range of f (x) is

    A) R

    B) Z

    C) W

    D) Q

    Correct Answer: A

    Solution :

    \[y=x-4\,\,\forall \,\,x\,\,\in \,\,R\] \[\therefore \] Range = R.


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