WAEC Further Mathematics 2025 Objective — Question 26
Question 26 of 40 from the West African Examinations Council (WAEC) Further Mathematics 2025 Objective paper, with the correct answer and a full explanation.
Advertisement
Given that g(x) = 2x+5, find the image of -3 under g⁻¹(x).
- A. -4Correct
- B. -1
- C. 1
- D. 4
Explanation
g⁻¹(x) = (x-5)/2. g⁻¹(-3) = (-3-5)/2 = -4.
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.