Let . What is ?
Answer and explanation
Correct answer: A. 14
- Step 1: Differentiate term by term: f'(x) = 3x^2 + 10x + 1.
- Step 2: Substitute x = 1: f'(1) = 14.
Answer
14.
Why not the others: 9 is the value of f itself; 16 is the second derivative; 19 adds the coefficient of x a second time.
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