3
QuizMultiple Choice

Unit Test — Unit test

Question 3 • AP Calculus AB - MA5186 A

This question is designed to be answered without a calculator.If y = (x2 + x + 1)(x3 – x – 1), then y’(2) =

Answer
A
35.
B
55.
C
90.
D
102.

Explanation

Use the product rule: y′ = (2x + 1)(x³ − x − 1) + (x² + x + 1)(3x² − 1). At x = 2, the factors and derivatives are 5, 5, 7, and 11, respectively. Thus y′(2) = 5 × 5 + 7 × 11 = 25 + 77 = 102, so the correct choice is 102.

AI-written and checked against the verified answer.

Previous
Next