ECZ 2024 · GCE Paper 1 — Relations and Functions
The functions f and g are defined by f(x) = 3x - 4 and g(x) = x + 13. Find f-1(x).
- A. x + 13
- B. 3x + 4
- C. x - 43
- D. x + 43
Verified working — step 1
Let y = 3x - 4.The 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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