The average value of over the interval is:

Answer and explanation

Correct answer: A.

  1. Step 1: Average .
  2. Step 2: , and .
  3. Step 3: The integral is , so the average is .
Answer
4/log_e 3.
Why not the others: forgets the factor ; uses at the wrong end; is the integral, not the average.

Practise more Calculus: Anti-differentiation and Areas Under Curves.

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