What is the area of the region bounded by and the -axis?
Answer and explanation
Correct answer: B.
- Step 1: The curve meets the axis at and lies below it between them, so the area is . Step 2. . Step 3. Area is positive, so it is . **Answer: . Why not the others:** : This is the integral over only, one half of the region. : This doubles the correct area. : This uses only at and drops the term.
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