KcetFunctionsKCET 2019MCQ+1 / -02019The domain of the function \(f: R \rightarrow R\) defined by \(f(x)=\sqrt{x^2-7 x+12}\) isA\((-\infty, 3] \cap[4, \infty)\)B\((-\infty, 3] \cup[4, \infty)\)C\((3,4)\)D\((-\infty, 3] \cup(4, \infty)\)Check AnswerClear SelectionReveal AnswerShow Explanation
