Solve: 2^(x+1) = 16 A x = 2 B x = 3 C x = 4 D x = 7 ✓ Correct Answer: Option B 16 = 2⁴, so 2^(x+1) = 2⁴ → x + 1 = 4 → x = 3. Practice SAT Exam Prep Quizzes → Browse All Questions Study Flashcards