ECZ 2024 · O-Level Paper 1 — Relations and Functions
Given that f(x) = 3x + 5 and g(x) = x + 43, find (a) g-1(x),
- A. x + 43
- B. 3x - 4
- C. x - 43
- D. 3x + 4
Verified working — step 1
Let y = x + 43The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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