If f(x) = x³ − 2x, what is f(−1)?

A 1

B −1

C 3

D −3

✓ Correct Answer: Option A

f(−1) = (−1)³ − 2(−1) = −1 + 2 = 1.

💡 Why is A) the correct answer?

The correct answer to the question "If f(x) = x³ − 2x, what is f(−1)?" is Option A: 1.

The other options — B) −1, C) 3, D) −3 — are incorrect for this SAT Exam Prep question. As explained above: f(−1) = (−1)³ − 2(−1) = −1 + 2 = 1.

📚 About This SAT Exam Prep Practice Question

This 1-level SAT Exam Prep question from the Math (Calculator) topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free SAT Exam Prep practice test or use flashcards for spaced repetition review.

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If f(x) = x³ − 2x, what is f(−1)?

✓ Correct Answer: Option A

📚 About This SAT Exam Prep Practice Question

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