Evaluate .

Answer and explanation

Correct answer: C. 18

  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
18.
Why not the others: 20 miscalculates the power rule integration or evaluation limits; 27 miscalculates the power rule integration or evaluation limits; 12 miscalculates the power rule integration or evaluation limits.

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