Post-UTME Mathematics 2013 Objective — Question 34
Question 34 of 100 from the Post-UTME Screening (Post-UTME) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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Two variables x and y are such that dy/dx=4x-3 and y=5 when x=2. Find y in terms of x.
- A. 2x²-3x+5
- B. 2x²-3x+3Correct
- C. 2x²-3x
- D. 4
Explanation
Integrating: y=2x²-3x+C. At x=2, y=8-6+C=5 gives C=3, so y=2x²-3x+3.
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