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What is p(−1) for p(x) = x³ − 3x + 2?

A0
B6
C4
D2
Answer & Solution
Correct answer: C. 4
We have p(−1) = (−1)³ − 3(−1) + 2. That is p(−1) = −1 + 3 + 2. So p(−1) = 4.
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