The average value of over the interval is:

Answer and explanation

Correct answer: A.

  1. Step 1: Average value .
  2. Step 2: , so the average is .
Answer
.
Why not the others: 2 forgets to divide by the interval length; uses the wrong integral; multiplies instead of dividing.

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

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