What is the domain of f(x) = √(x − 4)? A x > 4 B x ≥ 4 C x ≥ 0 D All real numbers ✓ Correct Answer: Option B Square root requires non-negative radicand: x − 4 ≥ 0 → x ≥ 4. Practice CLEP Exam Prep Quizzes → Browse All Questions Study Flashcards