What is the range of f(x) = x² + 1? A y ≥ 1 B y ≥ 0 C All real numbers D y > 1 ✓ Correct Answer: Option A x² is always ≥ 0, so x² + 1 is always ≥ 1. The minimum value is 1 (when x = 0). Practice SAT Exam Prep Quizzes → Browse All Questions Study Flashcards