Evaluate .

Answer and explanation

Correct answer: D. 20

  1. Step 1: Use the power rule for definite integration: .
  2. Step 2: Find the antiderivative: .
  3. Step 3: Apply the fundamental theorem of calculus over : .
Answer
20.
Why not the others: 80/3 is an inverted or miscalculated integral fraction; 60 miscalculates the power rule integration or evaluation limits; 40 miscalculates the power rule integration or evaluation limits.

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