Post-UTME Mathematics 2008 Objective — Question 14
Question 14 of 16 from the Post-UTME Screening (Post-UTME) Mathematics 2008 Objective paper, with the correct answer and a full explanation.
Advertisement
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.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.