What is the area of the region bounded by the parabola and the line ?

Answer and explanation

Correct answer: D.

  1. Step 1: Find points of intersection: substitute into : or .
  2. Step 2: The corresponding curves are (upper) and (lower) for .
  3. Step 3: .
Answer
.
Why not the others: evaluates ; evaluates ; and is the unit area.

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