Post-UTME Mathematics 2015 Objective — Question 13
Question 13 of 40 from the Post-UTME Screening (Post-UTME) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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The area bounded by the curve y = (3x+1)(x-1), the x-axis, x=1 and x=3 is
- A. 14
- B. 16Correct
- C. 18
- D. 20
Explanation
Expanding y=3x²-2x-1 and integrating from 1 to 3 gives an area of 16 square units.
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