The range of f(x) = x² for all real x is: A All real numbers B y ≥ 0 C y > 0 D y ≤ 0 ✓ Correct Answer: Option B x² is always non-negative for real x. Range: [0, ∞) or y ≥ 0. Practice CLEP Exam Prep Quizzes → Browse All Questions Study Flashcards