Answer and explanation

Correct answer: D. 10

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  1. Step 1: Find the antiderivative of the integrand :
  2. Step 2: Apply the Fundamental Theorem of Calculus by evaluating at the upper and lower limits :
  3. Step 3: Subtract the values :
Answer
10.
Why not the others: 12, 8 and 14 do not fit.

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