Evaluate .
Answer and explanation
Correct answer: A.
- Step 1: An antiderivative is F(x) = x^3 + 2x.
- Step 2: F(4) - F(2) = - = .
Answer
.
Why not the others: The coefficient of x^2 must be divided by 3 in the antiderivative and the constant term must contribute c(b - a).
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